Ingredients

1/3 cup butter, softened

1/3 cup crunchy peanut butter

1/2 cup sugar

1/2 cup brown sugar

2 eggs

2 cups flour

4 tablespoons protein powder (optional)

1 teaspoon baking soda

3 tablespoons sour cream or milk

3-4 ripe bananas

Preparation

Preheat oven to 350 degrees (325 convection oven). Cream butter, peanut butter, sugar, brown sugar. Add eggs and mix well. In a separate bowl, mix flour, protein powder and baking soda. Add dry mixture, sour cream and bananas; mix well. Pour into well-greased and floured 9x5-inch loaf pan. Bake for 90 minutes (70 minutes by convection) or until tester is dough-free. Cool and wrap in foil overnight.