French Onion Burgers

• 3 lbs ground chuck
• 2 (3 ounce) packets French onion soup mix
• 2 tablespoons Worcestershire sauce
• 2 large yellow onions, sliced
• 8 ounces mushrooms, sliced
• 8 halved onion hamburger buns, lightly buttered
• 8 slices swiss cheese
• 12 ounces A.1. Original Sauce (may not use the entire bottle)

1. Combine the chuck, soup mix and Worcestershire sauce in a large bowl, incorporating it thoroughly.
2. Will make 8 thick hamburger patties.
3. Cook the onions and mushrooms in a large frying pan with a bit butter till it gets a nice caramel color.
4. On a heated grill, cook the patties to the doneness you prefer.
5. Put aside.
6. Place the buns on the grill, buttered side down till butter is melted and it browned a little.
7. To build the burgers, put a little A1 Sauce on each bun, add a patty, swiss cheese and the onion mushroom mixture.
8. Top with the other half of the bun and enjoy.

ground chuck, packets, worcestershire sauce, yellow onions, mushrooms, buns, swiss cheese, original sauce

Taken from www.food.com/recipe/french-onion-burgers-230654 (may not work)