BANANA BREAD BROWNIES
Ingredients: • 1-1/2 cups sugar • 1 cup sour cream • 1/2 cup butter • 2 eggs • 4 ripe bananas, mashed • 2 tsp vanilla extract • 2 cups all-purpose flour • 1 tsp baking soda • 3/4 tsp salt • 1/2 cup chopped walnuts Ingredients for Brown Butter Frosting: • 1/2 cup butter