French Onion Burger - cooking recipe

Ingredients

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

Preparation

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.