Moisty Banana Bread

2 cups all-purpose flour
1 tsp baking soda
1/2 tsp baking powder
1/2 cups softened butter
1 1/2 cups sugar
1/2 tsp salt
2 eggs
1 tsp vanilla
4 Tbl sour cream

Mix dry ingredients together. Place softened butter in bowl & add sugar and salt. Mix well. then add eggs, vanilla, and sour cream and mix then add the flour mixture. Smash up 6 small bananas or 3 large bananas. Add nuts if you want. Bake at 350 for 45 minutes. check with a toothpick. Sour cream is the secret to making it moisty.