Preheat oven to 350°F
Mix wet ingredients (pumpkin, yogurt, egg whites, sweetener, vanilla) and dry ingredients (cocoa, flour, protein, baking soda, salt) in a bowl
Bake loaf for 45-50 minutes or until toothpick comes out clean in 8x4 pans
Mix frosting ingredients (Greek yogurt, pumpkin puree, protein powder, powdered sugar)
Top cooled loaf with frosting and chocolate chips
If using rainbow sprinkles, add them just before eating to prevent color bleeding
Enjoy
