Cook and mash 2 sweet potatoes
Mix mashed sweet potatoes with 2 eggs, salt, and pepper
Add approximately 2 tbsp of the mixture to a waffle iron until crisped into buns (makes 4 buns)
Add extra egg if needed to further combine the mixture
Mix 1 lb extra lean ground beef with 2 tbsp burger seasoning
Form beef mixture into 4 patties
Cook patties to desired temperature
Blend 2 chipotles in adobo with ½ cup plain non-fat Greek yogurt to make sauce
Assemble burgers: place lettuce and tomato on bottom bun, add cooked patty, top with cheese and chipotle yogurt sauce, finish with top bun
Serve and enjoy
