Sour Cream Banana Bread

I make french toast with this and top it with a caramel banana sauce. It's divine!!!

1/2 cup margarine or butter
1 cup sugar
2 eggs
1 teaspoon vanilla
1 1/2 cups flour
1 teaspoon baking soda
1/2 teaspoon salt
1 cup mashed banana
1/2 cup chopped nuts (omit if you don't like nuts)
1/2 cup sour cream

Directions
Grease 1 large loaf pan.
Cream margarine, sugar, eggs and vanilla.
Add dry ingredients, then bananas, nuts and sour cream.
Mix well.
Bake at 350 F for 1 hour.