Mash bananas with fork till mushy in large mixing bowl.
Add sugar, oil, eggs, and water.
Mix with electric mixer till well combined.
Add flour, baking powder, baking soda, salt, and beat with electric mixer till well combined. Now add walnuts if you use them Pour in 2 9x5 inch loaf pans which have been greased. Bake at 350* till toothpick in center comes out clean. Cool, wrap and if you can, wait till next day to serve, so flavors can blend. Good with butter on top or cream cheese on top.