– 2 cups flour — all-purpose
– 2 tsp baking powder
– 1/4 tsp salt
– 1/2 tsp cinnamon — optional
– 1/2 cup butter — melted
– 1/2 cup sugar
– 1/4 cup light brown sugar
– 2 large eggs
– 1 tsp vanilla extract
– 4 medium ripe bananas — mashed (1 3/4 - 2 cups)
– 1/2 cup walnuts or pecans