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.