Banana Bread with yolks

1/4 lb butter or 1/4 lb margarine 2 eggs , separated 1/2 cup white sugar 3 mashed bananas 1 teaspoon vanilla 1 tablespoon milk 2 cups flour 1 teaspoon baking[...]

1 cup unbleached all-purpose flour 1 cup whole wheat flour 1 tablespoon brown sugar , packed 1 teaspoon baking powder 1/2 teaspoon baking soda 2 large bananas[...]

3 1/2 cups mashed bananas 3/4 cup brown sugar 2 eggs , seperated 1 cup walnut pieces 2 2/3 cups flour 1 1/2 teaspoons baking soda 1 teaspoon vanilla extract[...]