2 sm. cans hominy, drained
1 sm. carton sour cream
1 sm. can green chilies, rinsed, seeded & chopped
1 sm. onion, chopped, optional
1 c. grated Cheddar cheese
1/2 tsp. dried mustard, optional

Mix all ingredients, except cheese. Pour into casserole dish and top with cheese. Bake at 350 degrees until onion is done.