Ingredients:
1 Cup mashed bananas
1 ½ Cup flour
½ Cup softened butter
1 Cup sugar
1/4 Cup. sour cream
¼ tsp salt
2 eggs
1 tsp. baking powder
1 tsp vanilla
½ Cup chopped walnuts
Directions:
Mix all ingredients together in a large bowl, and bake in a greased muffin pan for about 45 minutes or until toothpick clean at 350.