Yambilee Bake

1/4 cup butter or margarine 4 tsp. baking powder 1 cup sugar 1 tsp. baking soda 3 eggs well beaten 1 tsp. nutmeg 1 cup mashed bananas 1/2 tsp. cinnamon 1/2 cup sour milk 2 tsp. salt 5 cups sifted flour   Cream butter. Stir in sugar gradually. Beat until light and fluffy. Add eggs….