Banana Cake
["1/2 c. butter", "1 1/4 c. sugar", "2 eggs", "1 tsp. vanilla", "1 c. mashed bananas", "4 Tbsp. sour cream", "1 tsp. baking soda", "1 3/4 c. flour", "1/2 to 1 c. nuts, chopped"]
["Cream butter and sugar.", "Beat in eggs, vanilla and mashed bananas.", "Add sour cream which has been combined with baking soda. Mix well and add flour and nuts.", "Bake in 9 x 11-inch pan for 30 minutes at 350\u00b0."]
["butter", "sugar", "eggs", "vanilla", "bananas", "sour cream", "baking soda", "flour", "nuts"]