Sour Cream Banana Bread
["1/2 c. butter", "1 c. sugar", "2 eggs", "1 1/2 c. flour", "1 tsp. baking soda", "1/4 to 1/2 tsp. salt (if desired)", "1 c. mashed bananas (about 1 1/2 bananas)", "1/2 c. sour cream", "1 tsp. vanilla", "1/2 c. chopped nuts (if desired)"]
["Cream butter, sugar and eggs.", "Combine dry ingredients. Blend both mixtures; beat until well mixed.", "Add bananas, sour cream, vanilla and nuts.", "Pour into a buttered medium loaf pan. Bake at 350\u00b0 for 1 hour.", "Let cool before slicing.", "Makes about 16 slices."]
["butter", "sugar", "eggs", "flour", "baking soda", "salt", "bananas", "sour cream", "vanilla", "nuts"]