Best Banana Bread

1/2 cup butter

1 cup sugar

2 eggs

1 1/2 cups flour

1 tsp baking soda

1 tsp salt

1 cup very ripe banana (3)

1/2 cup sour cream

1 tsp vanilla

Preheat oven to 350. Butter a 9x3 inch loaf or 4 small ones. cream the butter sugar until light and fluffy. add eggs, beat well. Stir in dry ingredients. Blend well. Add bananas, sour cream and vanilla. Stir well. Pour into pans, bake 1 hr or until toothpick comes out clean.