Step 1

Preheat the oven to 325 degrees F (165 degrees C). Spray a 9x9-inch baking dish with cooking spray (do not use a loaf pan).

Step 2

Mash bananas in a bowl. Add sugar and applesauce and mix well. Mix in eggs, baking soda, and baking powder. Add flour 2 tablespoons at a time. Fold in dates and walnuts. Pour batter into the prepared baking dish.

Step 3

Bake in the preheated oven until a toothpick inserted into the center comes out clean, 45 to 60 minutes. Cool on a wire rack for 5 minutes.