Place undrained beans in blender with approximately ½ cup of vegetable broth, pulse until smooth. Add to stock pot.
Scoop sweet potatoes out of skin and add to blender with remaining vegetable broth and ¼ cup Guacamole Blend herbs. Process until smooth, working in batches if necessary. Add mixture to stock pot. Bring to simmer over medium heat, stirring frequently. If soup seems too thick add additional water or vegetable broth to suit preferences.