Mrs. Lyndon B. Johnson Banana Bread

Name: Mrs. Lyndon B. Johnson Banana Bread
Yield: 8
Ingredients: 1/2 cup butter, softened; 1 cup sugar; 2 cups flour; 1 cup lowfat buttermilk; 1 tsp soda; 1/4 tsp salt; 3 ripe bananas, medium size; 2 eggs