In mixing bowl, stir together flour, baking powder, baking soda. In another bowl, combine sugar and applesauce; add egg whites and milk, beating until smooth. Add flour mixture alternately with bananas to applesauce mixture. Bake in Pam-sprayed 9x5x4-inch loaf tin for 60 minutes at 350 degrees. (If desired, bake in smaller pans for less time.) Cool in pan 10 minutes. Remove from pan; place on wire rack.