Creamy Apple Squares
["1 (18 1/2 oz.) pkg. yellow pudding cake mix", "1/2 c. soft butter", "1/4 c. brown sugar", "1/2 tsp. cinnamon", "3 large Red Delicious apples, thinly sliced, unpeeled", "1 c. sour cream", "1 egg"]
["Combine cake mix and butter. Mix until crumbly.", "Reserve 2/3 cup for topping. Add brown sugar and cinnamon to this reserved topping.", "Mix well and set aside."]
["yellow pudding cake mix", "butter", "brown sugar", "cinnamon", "Red Delicious apples", "sour cream", "egg"]