1 (4 oz.) can chopped green chilies
1 lb. chunked up Monterey Jack cheese
1 lb. chunked up cheddar cheese

Pour in 9 x 12 inch pan. Beat 4 egg yolks. Add these ingredients:

2/3 c. canned milk
1 tbsp. flour
1/2 tsp. salt

Fold in 4 beaten egg whites. Pour over cheese, fresh sliced tomatoes over top, optional. Bake at 325 degrees for 1 hour.