Preheat oven to 350 degrees F.
In a large bowl, stir together the 2 cans of corn, corn muffin mix,
sour cream, and melted butter. Pour into a greased casserole dish. Bake
for 45 minutes, or until golden brown. Remove from oven and top with
Cheddar. Return to oven for 5 to 10 minutes, or until cheese is melted.
Let stand for at least 5 minutes and then serve warm.