1 stick butter, softened
1 can apple slices
1 tbsp. cinnamon
1 egg
1 box yellow cake mix
1/2 c. sugar
1/2 pt. sour cream

Mix butter and cake mix. Pat into 9"x13" pan. Bake 10 minutes at 350 degrees. Mix apples, sugar and cinnamon and spread on baked crust. Mix sour cream and egg and drizzle over apples. Bake at 350 degrees for 25 minutes.