1 c. cream style corn
12 oz. pkg. cornbread mix
1 c. sour cream
3 eggs, well beaten
1/2 c. grated sharp cheddar cheese
2 med. onions, chopped & sauteed in butter

In mixing bowl, combine first 4 ingredients. Spoon into buttered casserole dish. Sprinkle cheese on top. Add onions and butter. Bake at 400 degrees for 40 minutes.