Peanut Butter Brownie Baked Oatmeal

Name: Peanut Butter Brownie Baked Oatmeal
Prep time: 10 min
Cook time: 45 min
Total time: 55 min
Cuisine: American
Ingredients: 1.5 cups mashed ripe bananas (about 3 medium bananas) ($0.68); 1 large egg ($0.27); 1/4 cup natural peanut butter ($0.31); 1/4 cup brown sugar ($0.04); 1 tsp vanilla extract ($0.28); 1/2 tsp salt ($0.02); 1 tsp baking powder ($0.06); 1/2 tsp cinnamon ($0.05); 1/3 cup unsweetened cocoa powder ($0.29); 2 cups whole milk ($1.12); 3 cups old-fashioned rolled oats* ($0.50); 2 Tbsp natural peanut butter (for topping) ($0.15)