21 Day Fix | Peanut Butter Popcorn | Fixed Up Recipes 1 yellow treat, 1 tsp. Ingredients: 3 cups of air popped popcorn... 1/2 tsp cocoa powder 1 tsp melted peanut butter Instructions: 1. Melt peanut butter in microwave 2. Toss popcorn with cocoa powder 3. Drizzle peanut butter over top of popcorn with a spoon. 4. Let popcorn sit for 5 min until peanut butter solidifies.