Ingredients

• 80/20 Ground beef (2 pounds)
• Package of 12 brioche rolls (or hawaiian sweet rolls)
• Sliced cheese (your choice)
• Yellow onions (4)
• Mushrooms
• Butter
• Everything bagel seasoning
• Salt
• Pepper

Directions

1. If you want onions, cut them into rings and sautee in olive oil for 30 minutes until dark brown in color then set aside.
2. Season ground beef with salt and pepper and press flat into a rectangular baking dish to form one massive rectangle patty.
3. Bake the beef at 400°F (205°C) for 15 minutes or until cooked through.
4. While the beef is baking, cut the rolls in half if they aren't already pre-sliced.
5. Cut the mushrooms into slices and sautee in olive oil until cooked thoroughly.
6. When the beef is done, remove it from the oven and cut it into patty shaped squares.
7. In a new oven-proof pan, assemble the burgers with the patty followed by the cheese, onions, and mushrooms.
8. Coat the tops of the buns with melted butter and sprinkle on everything bagel seasoning.
9. Bake until cheese is melted and the tops of the bun becomes crispy.