6 sl To 8 sl fresh tomatoes; Or Separate egg yolks from egg whites. Beat evaporated milk and flour in with egg yolk. Season with salt and pepper. Add stiffly beaten egg whites, folding them in gently. In a deep, well-buttered, casserole dish, mix the shredded cheese with the diced green chiles. Pour the egg mixture over the cheese and "ooze" it through with a fork. Place casserole in a preheated 325F degree oven and bake for 30 minutes. Remove casserole and bake an additional 30 minutes.