Grease casserole dish.

1 (15 oz.) can cream corn
1 chopped onion
3 oz. diced pimentos
3/4 c. salad oil
1 pkg. Mexican style corn bread mix

Mix well. Pour into casserole. Sprinkle 3/4 cup grated Cheddar cheese on top. Bake at 350 degrees for 45 minutes.