Sour Cream Banana Bread Recipe

• 1/2 c margarine
• 1 1/4 cups sugar
• 2 cups flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 2 eggs
• 1 teaspoon vanilla
• 2 ripe bananas, mashed well
• 1 cup sour cream
• 1 cup walnuts, chopped (optional)

Directions