1/2 c. shortening
1 c. sugar
1 egg

Cream and add:

1/2 tsp. vanilla
1/3 c. sour cream
1 c. ripe bananas, mashed
1 c. flour
1/2 tsp. baking powder
1/2 tsp. baking soda

Bake in muffin tins 30 minutes at 350 degrees or double recipe and bake in bundt pan. Very good.