1 (7 oz.) can whole chilies
1 lb. Cheddar cheese
1 lb. Jack cheese
1 lg. can tomato sauce
1 lg. evaporated milk
4 eggs
3 tbsp. flour

Grease 9 x 13 inch pan. Grate cheeses - keep separated. Rinse peppers an clean out seeds. Place on paper towels. Beat egg whites - set aside. To yolks add milk, flour, salt and pepper to taste - beat and fold in whites. Layer 1/2 Jack, 1/2 Cheddar and pour over 1/2 liquid mixture - repeat. Bake covered for 1 hour. Remove and pour tomato sauce on top - cook 15-20 minutes uncovered.