In a skillet, sauté onions until tender. Add flour as needed. Add water; mix well. Add tomatoes, diced green chiles and tomato sauce; bring mixture to a boil. Continue boiling for 5 minutes.
In a bowl, whip egg whites until firm. Add flour, egg yolks and salt to taste; mix well. Dip Anaheim chiles in the flour mixture; deep-fry until golden brown. Top with Monterey Jack cheese. Bake in the oven until the cheese has melted. Top with sauce.Makes 4 Source: