- Spray 9×13 glass baking dish with cooking spray and set aside
- In a large, non-stick pot melt butter and marshmallows on low heat, stirring constantly.
- When all marshmallows are melted remove pot from heat and immediately stir in protein powder, stirring quickly while marshmallow mixture is warm
- Stir in Rice Krispy cereal and press into the glass baking dish. Allow bars to cool, then but and enjoy!
- Yields: around 20 pieces
- Calories: 113
- Carbs: 17
- Protein: 3
- Fat: 3