jiffy corn casserole recipe

**Ingredients:** - 1 box Jiffy corn muffin mix - 1 can (15 ounces) whole kernel corn, drained - 1 can (15 ounces) creamed corn - 1 cup sour cream - 1/2 cup unsalted butter, melted - 2 large eggs - 1 cup shredded cheddar cheese (optional, for topping)