Sour Cream Banana Muffins - cooking recipe

Ingredients

1 cup margarine or 1 cup butter
2 cups sugar
4 eggs
2 teaspoons vanilla
3 cups whole wheat flour
2 teaspoons baking soda
1/2 teaspoon baking powder
1 teaspoon salt
2 cups mashed bananas
1 cup sour cream
1 1/2 cups chocolate chips (optional) or 1 cup chopped nuts (optional)

Preparation

1. cream butter and sugar.
2. mix in eggs and vanilla.
3. mix dry ingredients and add to butter mixture.
4. add bananas, sour cream, and chocolate chips.
5. mix well.
6. bake at 400 degrees for 15-20 minutes until a toothpick come out with crumbs on it.