French Onion Burger
["1 1/2 lb. lean ground beef", "1 beaten egg", "1 (1 oz.) pkg. onion soup mix", "6 slices Swiss cheese", "grated Parmesan cheese", "12 slices toasted French bread"]
["Mix egg into ground beef, blending well.", "Stir in soup mix. Divide mixture into 6 equal parts and form into balls.", "Press balls into patties.", "Fry, broil or grill to desired wellness, topping with cheeses near the end of cooking time.", "Serve burgers on French bread."]
["lean ground beef", "egg", "onion soup mix", "Swiss cheese", "Parmesan cheese", "bread"]