This one doesn't have bacon or onion in it but I don't see why you couldn't add them if you wanted.

l can whole kernel corn
1 can cream style corn
1 (8oz) ctn. sour cream
1 box corn muffin mix
2 eggs
1/2 C. melted butter
1/2 C. cheddar cheese-grated

In large bowl mix all ingredients except cheese. Stir well. Pour into a 2 qt baking dish and top with cheese.
Bake at 350 degrees for 35-40 min.
Serves 12