When a craving for something sweet and satisfying hits, why settle for a sugar-laden treat that will leave you sluggish? Instead, say hello to the Chunky Monkey Giant Banana Protein Cookie—a single-serving, high-protein cookie recipe that satisfies without the guilt! Whether you need a post-workout protein snack, a healthier dessert, a bedtime snack, or even breakfast, this easy protein cookie delivers on taste and nutrition.

This isn’t just any cookie—it’s a gluten-free protein cookie, a healthy dessert alternative that’s both indulgent and nourishing. Instead of ending up with dozens of cookies tempting you for days, this recipe bakes up just one giant cookie, keeping portion control effortless. Plus, this cooking for one recipe is so easy to make that you can even bake it in a toaster oven recipe for a quick, no-fuss treat.
Nutritional Benefits for Your Active Lifestyle
Not only does this big banana cookie taste amazing, but it also boasts impressive macros that make it a smart choice for active lifestyles:
- 498 calories – A hearty and satisfying portion that keeps you full.
- 33g+ protein – Ideal for muscle recovery, metabolism support, and satiety.
- 10g dietary fiber – About 40% of your daily value, promoting digestion and gut health.
- Balanced carbs and healthy fats – Provides steady energy without sugar crashes.
Smart Snack Anytime – Here’s Why!
- Post-Workout Recovery: High protein from whey protein powder, peanut butter powder and egg content aids in muscle repair and growth.
- Healthier Dessert Alternative: Sweet, satisfying, and nutrient-dense without the refined sugars, I used organic eryithritol but you can use another equivalent measure low-carb sweetener or even coconut sugar, cane sugar, ect (note, those will affect macros).
- Bedtime Snack: Helps curb late-night cravings and keeps you full longer.
- Breakfast On-the-Go: Wholesome ingredients give you the fuel to start your day right.

The Chunky Monkey name isn’t just for fun—this cookie is packed with classic banana, chocolate, and peanut butter flavors that make it irresistibly good. The natural sweetness of banana, the richness of dark chocolate, and the creaminess of peanut butter come together for a healthy post-workout snack that’s both delicious and nutritious. MIx-ins include sugar-free mini chocolate chips, chopped peanuts (or your nut of choice), broken bits of banana chips, and even diced fresh banana! I like to say, it’s chunky with deliciousness, not with guilt!
So next time you’re craving a cookie, whip up this giant protein cookie recipe and indulge with confidence. One cookie, endless satisfaction!


- ¼ cup whey protein powder
- 2 Tbsp peanut butter powder like PbFit
- 2 Tbsp coconut flour
- 2 Tbsp erythritol sweetener or other approximate cup for cup sugar alternative, like a stevia baking blend — or use cane or coconut sugar, but will affect macros
- 1/8 tsp salt
- ¼ tsp baking powder
- 1 Tbsp butter melted
- 1 Tbsp egg white from carton
- ¼ small banana diced
- 2 tsp sugar-free chocolate chips
- 2 tsp chopped peanuts
- 2 tsp chopped banana chips
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Pre-heat oven or toaster oven to 350F.
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In medium bowl, mix together protein powder, peanut butter powder, coconut flour, sugar substitute (erythritol), baking soda and salt until combined.
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Stir in melted butter and egg white, stir until a sticky dough forms.
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Mix in diced banana, gently. If needed add a bit more coconut flour (1 tsp. at a time) if it seems to wet.
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Next stir in MOST (but not quite all) of the chunky ingredients (peanuts, chocolate chips, banana chips), reserving just a little extra for the topping.
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Form dough into a ball and flatten into approximate ½” thickness onto a baking sheet. Pat the reserved toppings onto top of cookie.
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Bake in preheated 350F oven or toaster oven for 11-13 minutes or until turning golden brown. Let cool on pan one minute, then enjoy!