Watermelon Protein Smoothie Cubes: An Easy Freezer Prep Hack

Want a simple way to make smoothies easier, tastier and a little more protein-packed? These Watermelon Protein Smoothie Cubes are a fun make-ahead freezer hack worth keeping on hand!

Fresh watermelon, cottage cheese, protein powder and chia seeds come together in a quick blend, then go into ice cube trays to freeze. Once they’re ready, transfer the cubes to a freezer bag so you have a refreshing, convenient starting point for smoothies, smoothie bowls or even a quick frozen snack.

It’s easy prep that makes your future breakfast or snack routine so much easier. And with watermelon bringing natural sweetness and refreshing hydration to the mix, there’s no need to overcomplicate things.

Why You’ll Love These Watermelon Protein Smoothie Cubes

  • Easy make-ahead prep: Blend, freeze and stash them away for whenever a smoothie craving hits.
  • A protein boost: Cottage cheese and protein powder add satisfying protein to each serving.
  • Naturally refreshing: Watermelon brings sweetness, fluid and a fresh fruit flavor.
  • Versatile: Use the cubes for smoothies, thick smoothie bowls or a quick frozen nibble.
  • Simple ingredients: Just a handful of everyday ingredients and a blender are all you need.

Simple Ingredients, Big Possibilities

You only need four main ingredients to make these freezer-friendly smoothie cubes. That’s it! No complicated ingredient list or special equipment required beyond a blender and ice cube trays.

Watermelon is the star of the show! It’s naturally sweet, refreshing and approximately 92% water, making it a delicious way to add fluids and natural carbohydrates to your day.

Cottage cheese adds creamy texture and protein. Blending it into the mixture gives the cubes a smooth consistency.

Protein powder adds another protein boost. I used vanilla whey protein powder, but use your favorite variety and flavor.

Chia seeds bring a little extra fiber, texture and plant-based nutrition to the mix.

Easy Ways to Use Your Frozen Smoothie Cubes

This is where the freezer prep really pays off. Once the cubes are frozen, transfer them to a labeled freezer bag and keep them handy. It’s an easy way to have a head start on a nutritious breakfast or snack without pulling out all the ingredients and starting from scratch every time.

Blend a quick smoothie: Add a handful of cubes to a blender with your favorite milk or milk alternative. Blend until smooth, adding more liquid as needed to reach your preferred consistency.

Make a thick smoothie bowl: Use less liquid and blend until thick and spoonable. Add your favorite toppings like fresh watermelon, chia seeds, chopped pistachios or granola.

Enjoy a frozen bite: Grab an individual cube straight from the freezer for a little refreshing snack.

Watermelon Protein Smoothie Cubes Nutrition

Each 8-cube serving provides approximately 138 calories, 16.1g protein, 12.5g carbohydrates and 2.7g fat. That’s about 17 calories and 2g protein per cube.

Nutrition will vary depending on the protein powder and cottage cheese you choose.

Whether you’re looking for a quick breakfast shortcut, a refreshing snack or a simple way to work more watermelon into your routine, these smoothie cubes are a delicious little freezer staple. Make a batch and you’ll be glad you did!

Watermelon Protein Smoothie Cubes – Freezer Prep
Prep Time
5 mins
Total Time
3 hrs 5 mins
 
Discover why watermelon and protein make a delicious pairing! Get easy ideas for smoothie cubes, cottage cheese bowls, breakfast, snacks and athlete fueling.
Course: Beverage, smoothie, Snack
Keyword: cottage cheese, freezer prep, meal prep, protein powder, smoothie cubes, smoothies, watermelon
Servings: 9 servings (8 cubes per serving)
Calories: 138 kcal
Ingredients
  • 6 cups chopped watermelon
  • 2 cups cottage cheese
  • 3 scoops approx. 1 cup whey protein powder, vanilla
  • ¼ cup chia seeds
Instructions
  1. Add all ingredients to blender and process for 30-60 seconds until smooth.
  2. Pour mixture into ice cube trays (or even mini-muffin tins).
  3. Freeze for 2-3 hours until solid. Pop from trays/tins and transfer to freezer-bag.
  4. Use as an ingredient in smoothies and/or ‘as-is’ for a small frozen treat.
  5. Will keep in freezer for approximately 6 months.
  6. Yields approx. 72 cubes (about 9 servings of eight cubes each).

Recipe Notes

Yields approx. 72 cubs (about 9 servings of eight cubes each).

 

Watermelon for Active Agers: A Refreshing Way to Support Strength, Recovery & Healthy Aging

This post is sponsored by National Watermelon Promotion Board. Learn more about watermelon nutrition and get recipes at Watermelon.org.

When most people think of watermelon, they think of backyard barbecues, pool days, and summer picnics. But this juicy fruit deserves a place in your kitchen for more than just its refreshing, sweet taste. If you’re like me, and committed to staying active, maintaining muscle, and aging strong, watermelon offers a surprising combination of hydration, nutrients, and plant compounds that can help support those goals.

While no single food is a magic cure-all, watermelon does fit beautifully into an overall eating pattern that promotes healthy aging—and it’s one of the easiest (and tastiest) ways to nourish your body ALL year (Even off season, personal-sized watermelons and produce cuts are almost always available). Add watermelon to a menu rich in protein, veggies and whole grain; add in lots of activity and quality sleep, and you’ve got a recipe for aging with strength!

Helps You Stay Hydrated:

Hydration becomes increasingly important and often more challenging as we age. Our natural thirst response tends to diminish over time, making it easier to become mildly dehydrated without even realizing! For active adults who enjoy walking, running, hiking, cycling, pickleball, golf, or strength training outdoors, staying ahead of dehydration is essential.

Because watermelon is made up of about 92% water, it provides both fluids and naturally occurring electrolytes (310mg potassium, 6%DV and 24mg magnesium, 6%DV), making it a refreshing way to contribute to your daily hydration needs. 

And, remember… proper hydration, from all sources, supports:

  • Healthy circulation
  • Temperature regulation during exercise
  • Joint lubrication
  • Cognitive function
  • Energy levels and exercise performance
Make Watermelon-AID, a homemade sports drink featuring watermelon juice that Watermelon-AID is a homemade watermelon sports drink that will help keep you hydrated, cramp-free and provide energy for endurance events. Easy, effective and economical.
Pro tip: watermelon juice is amazing too!

Supports Heart Health:

Heart health becomes even more important as we age. And, yes, even for women! In particular, after menopause, a female’s estrogen drops and cardiovascular risk naturally increases.   

But watermelon can be part of a heart-healthy diet. It’s totally fat-free, and contributes several nutrients associated with cardiovascular wellness, including potassium (6%DV), vitamin C (25%DV), lycopene (12.7 grams of lycopene per 2 cup serving), and l-citrulline (286-1266mg per 2 cup serving). Together, these nutrients help support healthy blood vessel function and normal blood pressure as part of an overall balanced diet and active lifestyle.¹

Also, it’s of interest to note that low fruit intake is one of three dietary factors associated with death from cardiovascular disease (CVD) and type 2 diabetes (T2DM) (the other two dietary factors are high salt intake and low whole-grain intake).  (Watermelon Board)

Healthy Blood Flow:

One of watermelon’s most unique nutritional benefits is its naturally occurring L-citrulline, an amino acid that the body converts into arginine, which is then used to produce nitric oxide.

What’s so cool about this for us active agers? Well, nitric oxide helps relax blood vessels, promoting healthy circulation. Better blood flow means oxygen and nutrients can be delivered more efficiently throughout the body, including to working muscles during exercise.

Emerging research suggests this may have benefits for cardiovascular health. A 2025 meta-analysis of randomized controlled trials found that L-citrulline supplementation and watermelon intake significantly reduced both systolic and diastolic blood pressure in middle-aged and older adults, supporting watermelon as part of an overall heart-healthy dietary pattern.¹

Rich in Lycopene

Watermelon’s vibrant red color isn’t just beautiful. It comes from lycopene, a powerful antioxidant. Everyday life and especially exercise, creates oxidative stress within the body. While this is a normal process, excessive oxidative stress over time is associated with aging and chronic disease. Lycopene and the other antioxidants in watermelon may help neutralize free radicals and support your body’s natural defense systems. Diets rich in lycopene have been associated with improved cardiovascular health and reduced markers of oxidative stress.²

Watermelon Greek Yogurt Parfait with Pistachios & Chia Seeds

Helps You Refuel After Exercise:

After a workout, replenishing energy stores and repairing muscle tissue, are your body’s two priorities. Watermelon naturally provides carbohydrates that help replenish glycogen, the stored form of energy your muscles rely on and use up during intense/prolonged exercise.

To maximize recovery, I like to pair watermelon with a quality source of protein, such as cottage cheese, Greek yogurt, chicken, lean beef, my favorite fish, or even with protein powder in a smoothie (like my Watermelon Beet Smoothie). Also, check out the huge collection of recipes at Watermelon.org.

Supports Healthy Skin and Connective Tissue:

Caring for and supporting the tissues that keep us moving is another essential of healthy aging. Watermelon provides vitamin C (25% of DRV), an essential nutrient needed to produce collagen, the protein that helps maintain healthy skin, cartilage, blood vessels, tendons, and ligaments. Combined with its high water content, watermelon can help support and hydrate skin health from the inside out while contributing nutrients important for connective tissue.

Naturally Sweet Way to Satisfy Cravings:

If you’re trying to make more nutrient-dense choices without giving up dessert, watermelon is an easy win. Its natural sweetness, high water content, and satisfying volume make it a refreshing alternative to many calorie-dense treats. It comes in at only 80 calories per 2-cup serving. Rather than feeling deprived, you can enjoy something sweet while also getting hydration, vitamins, antioxidants, and beneficial plant compounds.

Visit Watermelon.org for more information on the Nutrition Facts and Health Benefits of Watermelon.

References

  1. Chen Y, et al. Effects of L-citrulline supplementation and watermelon consumption on blood pressure in adults: A systematic review and meta-analysis of randomized controlled trials. Clinical Nutrition ESPEN. 2025.
  2. Burton-Freeman B, et al. Watermelon and Health: A Review of the Current Evidence. Critical Reviews in Food Science and Nutrition. 2019;59(15):2422-2436.
  3. Lumeng JC, et al. Watermelon consumption is associated with improved nutrient intake and diet quality in children and adults. Nutrients. 2022;14:4147.

Veggie-forward Salads & Sides for Your July 4th Summer Block Party

When it comes to summer cookouts, everyone remembers who made that amazing side dish or salad. If you want to be that guest (or host) . . I have some amazing ideas.

Whether you’re celebrating America’s 250th birthday, the Fourth of July, Labor Day, or simply gathering around the grill with friends and family, these fresh salads, veggie-forward sides, and colorful summer recipes are guaranteed to earn a spot next to the burgers, brisket, and barbecue.

From patriotic salads bursting with seasonal berries to grilled vegetables, watermelon favorites, and healthier comfort-food classics, these recipes are easy to make, travel well, and let summer produce shine.  Here are the summery sides I’ll be fixin’ up this season – bring one or bring them all!

Red, White & Blue Caprese Salad with Blueberries: Nothing says summer celebration quite like red, white, and blue. Fresh tomatoes, creamy mozzarella, sweet blueberries, fragrant basil, and a balsamic drizzle create a patriotic side that’s almost too pretty to eat.

Everyone loves a Caprese salad with juicy tomatoes, aromatic sweet basil and creamy mozzarella cheese all drizzled in balsamic syrup. My patriotic version of the classic favorite summer salad that adds blueberries in honor of the USA and Red, White and Blue. Perfect for summer entertaining.
Perfect for: America’s 250th celebration, Fourth of July, Memorial Day, or any festive cookout.

Watermelon Raspberry Quinoa Salad with Ginger Mint Dressing: A refreshing mashup of juicy watermelon, sweet raspberries, protein-packed quinoa, and a bright ginger-mint vinaigrette. It’s light, colorful, naturally gluten-free, and hearty enough to hold up on a buffet table without getting soggy.

Hydrate and invigorate with this juicy fresh salad featuring watermelon, raspberries and quinoa! The zingy ginger mint dressing is amazing. It’s a stunningly colorful side dish or add shrimp or salmon for a main dish.
Perfect for: BBQs, pool parties, patriotic celebrations, and healthy meal prep.

No-Crust Tomato Pie: Peak summer tomatoes deserve their moment. This lower-carb, gluten-free tomato pie skips the traditional crust while delivering all the cheesy, savory goodness that makes tomato pie a Southern favorite.

Perfect for: Garden harvests, brunch spreads, or serving alongside grilled meats.

Jalapeño Feta Cornbread:  A warm skillet of homemade cornbread always disappears first. This version gets a flavor upgrade with sweet corn, tangy feta, and just enough jalapeño heat to keep everyone coming back for another slice.

A yummy addition to BBQ or an summery entree salad.

Grilled Corn in the Husk with Creamy Ancho Vinaigrette: Grilling corn right in the husk creates juicy, smoky kernels every time. After grilling, drizzle each ear with my creamy ancho vinaigrette for a restaurant-worthy side that’s incredibly simple.

Grilled Corn with Ancho Vinaigrette is a southwestern inspired side dish for your next bbq or summer celebration.
First, learn how to grill corn in the husk, then finish it with the creamy ancho dressing.

Grilled Avocado Boats with Blistered Tomatoes: If you’ve never grilled an avocado, you’re in for a treat. Warm, creamy avocado halves pair beautifully with smoky blistered tomatoes for a side that’s unexpectedly elegant yet incredibly easy.

Grilled Avocado Boats
Perfect for: Steak night, grilled chicken, seafood, or vegetarian cookouts.

Balsamic Grilled Vegetable Salad: Fire up the grill for more than just meat. Bell peppers, zucchini, onions, asparagus, and other seasonal vegetables caramelize beautifully before being tossed in a tangy balsamic dressing. It’s colorful, healthy, and makes excellent leftovers.

Platter of Grilled Vegetables
Make a double batch, these go fast!

Four Ways to Season Watermelon That Will Blow Your Mind: Sure, watermelon is delicious on its own—but these simple seasoning ideas take it to another level. Sweet, spicy, savory, and tangy combinations transform this classic summer fruit into an unforgettable party snack. 

Watermelon seasoned four different ways
Kick up the flavor party with these easy, sprinkle-on ideas.

Fiesta Five Veggie Potato Salad: This isn’t your average mayo-heavy potato salad. Loaded with five colorful vegetables and a lighter dressing, it’s fresh, vibrant, and packed with flavor while still delivering the comfort everyone expects from a classic picnic side.

Fiesta Five Veggie Potato Salad a yummy, southwestern inspired side dish.
Perfect for: Potlucks, family reunions, cookouts, and meal prep.
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7 Healthy Foods That Pull Double Duty: Eat Smarter, Fuel Better

Healthy eating doesn’t have to mean chasing “superfoods” or buying expensive specialty ingredients. Some of the hardest-working foods are everyday staples that support wellness while also helping energy, recovery, muscle maintenance, hydration, endurance, or healthy aging. Whether you’re training for an event, lifting weights, walking daily, or simply trying to stay active and strong as you age, these are some of my favorite foods pull double duty.

Watermelon for Hydration + Recovery:

Live a healthier, more fulfilling and sweeter life year-round with watermelon. These 10 reasons will motivate you to put watermelon on your plate (or smoothie cup) every month of the year. Plus, learn tips and tricks to cut up , meal prep and serve this popular fruit.

Watermelon isn’t just a refreshing summer snack. Its high water content helps support hydration, especially important for workouts year-round (I’m luck in Texas, we have it nearly year-round.)  Watermelon also naturally contains potassium and citrulline, compounds that may support circulation and exercise recovery. Get more details on how it can support your fitness goals HERE. Double-duty benefit: ✓ Hydration support, ✓ Recovery support, ✓ Natural energy

Try These Watermelon Recipes:

Dates offer Quick Energy + Fiber:

Dates are one of my favorite ingredients in my fit foodie recipes, and also a stand-alone snack. They provide naturally occurring carbohydrates that can help fuel activity while also delivering dietary fiber. Unlike many processed snack options, dates offer quick energy plus nutrients like potassium. I pretty much always have these in my pack during a long Spartan race or hike. Double-duty benefit: ✓ Workout fuel, ✓ Digestive support, ✓ Pantry (and backpack) friendly

Try These Date Recipes:

Eggs Offer Muscle Support + Convenience:

Eggs deliver high-quality protein and important nutrients like choline while being affordable and incredibly versatile. For active adults, especially over 50, protein becomes increasingly important for maintaining muscle. Whether eating a hard-boiled egg for a snack, or making a tasty omlete or egg recipes, you can’t go wrong with the incredible edible egg! Double-duty benefit: ✓ Protein for muscle maintenance, ✓ Fast, practical meal solution,  ✓ Economical protein

Try These Egg Recipes:

Pumpkin Provides Fiber + Nutrition Density:

Pumpkin deserves more credit than just seasonal coffee flavoring. Pumpkin contains fiber plus vitamin A precursors and works beautifully in both sweet and savory recipes. Plus, it can help add volume and texture while boosting nutrition. Double-duty benefit: ✓ Fiber support, ✓ Nutrient boost, ✓ Pantry friendly (load up in the fall!)

Try These Pumpkin Recipes:

Beans Packed with Veggie Protein + Complex Carbs:

Italian Bean and Lentil Soup in a Jar Mix

Beans and legumes are one of the most underrated foods for active lifestyles. They bring plant protein together with fiber-rich carbohydrates, creating longer-lasting energy and satisfying meals. They’re also budget-friendly and pantry-friendly. Double-duty benefit: ✓ Energy support, ✓ Satiety, fiber and muscle support, ✓ Pantry friendly and cheap

Try These Bean Recipes:

Salmon Wins With Quality Protein + Healthy Fats:

Orange Cranberry Sheet Pan Salmon prepped and ready to be cooked

Fatty fish like Salmon earns a place on the list because it supports multiple wellness goals at once, including muscle management and heat and brain support. It earns my thumbs up for healthy aging. Salmon provides protein for recovery alongside omega-3 fats that support overall health. Plus, it’s quick and convenient to cook, while also feeling fancy! Double-duty benefit: ✓ Recovery nutrition, ✓ Heart and brain support, ✓ Versatile

Try These Salmon Recipes:

Cottage Cheese Boosts Protein + Surprisingly Versatile:

Cottage cheese is the OG of fit foods, so nutrient dense with calcium, b12, phosporus and 25g protein in a cup. Check out these 24 crave-worthy, protein-packed, completely elevated cottage cheese recipes to fuel your active lifestyle - from cottage cheese queso, pizza crusts and stuffed zucchini to cheesecake cups, crepes, and waffles. Great healthy meal inspo for breakfast, lunch, dinner and snacks / treats!

Cottage cheese has made a major comeback for good reason. It adds protein and creaminess while fitting into sweet or savory meals. Literally, I’ve made dozens and dozens of recipes with cottage cheese as a boosting ingredient (here is a round up of two dozen)! If you choose a lower-fat cottage cheese variety, it’s a great way to supplement recipes with lean protein and other nutrients like calcium.. Double Duty Benefit: ✓ Muscle-supporting protein, ✓ Easy meal upgrade, ✓ Calcium-packed

Try These Cottage Cheese Recipes:

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Watermelon and Cinnamon: Surprising Health Benefits + Easy Recipes

Watermelon seasoned with cinnamon and vanilla

Watermelon with cinnamon might sound a little unexpected… but nutritionally, this pairing actually makes a lot of sense. Whether you’re looking for a refreshing snack, a smarter way to satisfy a sweet tooth, or a simple performance-friendly bite, this combo delivers more than just flavor.

Let’s break down why it works 👇

🍉 Hydration + Blood Sugar Balance:  Watermelon is about 90% water, making it one of the most hydrating fruits you can eat—especially helpful before or after workouts, during hot weather, or anytime you need a refresh.

Because it’s naturally sweet, watermelon can spike blood sugar quickly on its own. That’s where cinnamon comes in. Cinnamon has been studied for its ability to help improve insulin sensitivity, which may support a more balanced blood sugar response when paired with fruit.

🔥 Metabolism + Flavor Boost: Cinnamon contains compounds like cinnamaldehyde, which may help support metabolic function. While it’s not a magic bullet, adding cinnamon is an easy, natural way to enhance your overall nutrition strategy.

Bonus: cinnamon amplifies sweetness without adding sugar—so your watermelon tastes even better with zero extra calories.

🛡️ Antioxidant Power Combo: This pairing brings together two antioxidant-rich foods:

  • Watermelon is packed with lycopene, which is linked to heart health and reduced inflammation
  • Cinnamon provides polyphenols that help combat oxidative stress

Together, they can help support recovery from workouts and protect against everyday wear and tear on the body.

🌿 Digestive Support: Cinnamon has traditionally been used to support digestion and may help reduce bloating or discomfort that some people experience with fruit. Adding a light sprinkle can make watermelon easier on your stomach—especially if you’re sensitive to high-water or high-sugar fruits.

💪 A Workout-Friendly Snack: Simple, effective, and easy to digest plus, it’s hydrating, light on the stomach, and naturally energizing. This combo works well pre-workout for quick fuel or post-workout to rehydrate and replenish.

✨ Why I Use Ceylon Cinnamon Instead of Regular

Not all cinnamon is created equal. Most grocery store cinnamon is Cassia cinnamon, which contains higher levels of coumarin—a compound that isn’t ideal in larger amounts over time.

Ceylon cinnamon (often called “true cinnamon”) is my go-to because it’s:

✔️ Lower in coumarin
✔️ Milder and slightly sweeter in flavor
✔️ Better suited for regular, everyday use

If you’re using cinnamon frequently, upgrading to Ceylon Cinnamon is a small change that can make a difference.

🍽️ Recipes with Watermelon and Cinnamon

Creamy Cinnamon Vanilla Watermelon Soup
Light, refreshing, and surprisingly indulgent—perfect for warm weather.

Cinnamon Churro Watermelon Rind Fries
A fun, low-waste recipe that transforms watermelon rind into a sweet, spiced treat.

This easy-to-make warm punch featuring watermelon juice is naturally sweet and delicious, bejeweled with fruit and fragrant with seasonal spices. Brandy optional! Perfect for holiday entertaining, including brunches, open houses, cocktail parties and more!

Mulled Watermelon Apple Cider
Cozy and spiced—great warm in cooler months, or served over ice in summer for a refreshing twist.

Watermelon Apple Switchel A refreshing watermelon drink with anti-inflammatory benefits from cinnamon and all sorts of health perks from fermented apple cider vinegar.