Banana Bars
["1 1/2 c. sugar", "1/2 c. butter, softened", "1 c. sour cream", "2 eggs", "1 1/2 c. mashed bananas", "2 tsp. vanilla", "2 c. all-purpose flour", "1 tsp. salt", "1 tsp. baking powder", "1/2 c. nuts, optional"]
["Preheat oven to 375\u00b0.", "Grease and flour jelly roll pan.", "Mix sugar, sour cream, butter and eggs on medium speed.", "Beat in bananas and vanilla and then add in flour gradually.", "Bake 20 to 25 minutes."]
["sugar", "butter", "sour cream", "eggs", "bananas", "vanilla", "flour", "salt", "baking powder", "nuts"]