Lemon Squares
["1 yellow cake mix with butter", "1 stick butter, melted", "1 egg, beaten", "1 lb. powdered sugar", "3 eggs, beaten", "1 tsp. vanilla"]
["Preheat oven to 350\u00b0. Combine cake mix, butter and 1 egg. Press into greased 9 x 13-inch pan. In separate bowl, beat sugar, 3 eggs and vanilla together. Pour over cake mixture. Bake at 350\u00b0 for 10 minutes. Reduce temperature to 325\u00b0 and bake an additional 35 to 45 minutes."]
["yellow cake", "butter", "egg", "powdered sugar", "eggs", "vanilla"]