1/2 c. butter, or butter
3/4 c. sugar
1 1/2 c. flour, regular
1 egg
2 or 3 mashed bananas
1 tsp. baking soda
1/2 tsp. salt
1/4 c. buttermilk or sour milk
(sour milk is regular milk with 1 tsp. lemon juice)

Cream butter and sugar together. Then add rest of ingredients. Bake at 350 degrees for 50 minutes.