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°F for 55 to 60 minutes.