Preheat oven to 350 degrees. Combine in a large bowl; and beat to blend:

12 eggs
1 c. cream-style corn
4 c. (1 lb.) cheese, grated
2 or 3 (4 oz.) cans chopped green chilies, drained
1 tsp. Worcestershire sauce
1 tsp. onion powder
1/2 tsp. salt
1/2 tsp. pepper

Pour into 9x13 inch baking dish. Cover and refrigerate up to 24 hours. Bake 1 to 1 hour 15 minutes or until center is firm. Cut in squares. OPTIONAL: Shaved ham can be added to mixture.