Combine and set aside:

1/4 cup + 1 tsp sour cream
1 tsp baking soda

Combine and set aside:

2 large ripe mashed bananas

Blend:

1 stick butter
1 cup sugar
2 eggs
Add sour cream and bananas
Add 2 cups flour
1/2 tsp baking powder
1 cup nuts

Bake in greased bread pan at 350° for 50 to 60 minutes. Makes two medium loaves.