1/2 cup butter
1-1/2 cups sugar
1 cup very ripe mashed bananas
1/2 cup sour cream or plain non-fat yogurt
1 tsp baking soda
2 cups flour
2 eggs
Cream butter & sugar
Add bananas & sour cream or yogurt
Add eggs
Add baking soda & flour & mix well
Grease 2 round cake pans & bake at 350 degrees for 35-40 min
When cooled frost as desired