Jiffy Corn Casserole    1 can whole kernel yellow corn, undrained  1 can cream style yellow corn  1 (8 oz) carton sour cream  2 eggs, beaten  1 box Jiffy corn muffin mix  1 stick butter, melted    Mix all together and pour into large, lightly oiled casserole dish. Bake at 350 degrees for 55 to 60 minutes.