1/2 c. butter
1 1/2 c. sugar
2 eggs
3/4 c. sour cream
3 mashed bananas
2 scant c. flour
1/4 tsp. salt
1 tsp. baking soda
1 tsp. vanilla

Cream together butter and sugar well. Add remaining ingredients. Bake 20 to 30 minutes at 350 degrees in a cookie sheet with sides.