1 lb. ground beef
Salt & Pepper
Worcestershire Sauce
4 slices rye bread
2 slices swiss cheese
2 slices American cheese
2 slices provolone cheese
2 slices cheddar cheese
Butter
Place 1-2 tablespoons butter in nonstick skillet over medium low heat. Add onions and cook until golden brown approximately 15-20 minutes. Mix 5-7 dashes Worcestershire sauce with ground beef and form into four thin patties. Cook in skillet over medium heat until lightly browned. Flip and cook other side until brown. Place two different cheeses on each side of bread forming two sandwiches. Add browned onions and two patties to each sandwich side by side. Butter top side of bread and place butter down in skillet over medium low heat and cook until golden brown. Butter other side of bread before flipping. Flip and brown other side until golden brown and cheese is all melty.