Easy Banana Cake

Ingredients

 * ½ cup of softened (or melted) butter or margarine
 * 1 cup sugar
 * 2 eggs
 * 1 teaspoon vanilla
 * 1½ cups mashed very ripe bananas
 * 1½ cups of white flour
 * 1 rounded tablespoon baking powder
 * 1 rounded teaspoon baking soda

Directions

 * 1) In a mixing bowl, beat the butter, sugar, eggs and vanilla.
 * 2) When it is well mixed, add the mashed bananas.
 * 3) In a separate bowl combine the flour, baking powder and baking soda.
 * 4) Gradually add the flour mixture to the wet mixture, beating a little after each addition.
 * 5) Pour into a lightly greased and floured 9" x 13" cake pan and bake at 350°F for about 25 minutes or until a knife inserted near the center comes out clean.