Ingredients (Serves 4)
1 ½ lbs ground beef (80/20 for juicy burgers)
Salt & pepper, to taste
1 tsp garlic powder
1 tsp Worcestershire sauce
8 oz mushrooms, sliced (baby bella or white button)
1 small onion, thinly sliced (optional)
4 slices Swiss cheese
4 burger buns (optional, or serve low-carb)
Olive oil or butter, for drizzling
Aluminum foil
🔪 Instructions
1. Prep the Foil
Tear four large sheets of heavy-duty aluminum foil (about 12×12 inches). Spray or lightly oil the center of each to prevent sticking.
2. Form the Patties
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