MUSHROOM SWISS BURGER RECIPES

Steps:

• Preheat the broiler and line the bottom of a broiler pan with foil. Lightly mix the beef with 1 teaspoon salt and 1/2 teaspoon pepper in a large bowl. Gently form into 4 patties, about 3/4 inch thick. Arrange on the prepared pan and brush both sides with olive oil. Broil until browned, about 4 minutes per side for medium rare.  
• Meanwhile, heat 2 teaspoons olive oil in a large skillet over medium-high heat. Add the onion and cook, stirring, 2 minutes. Add the mushrooms and cook 2 more minutes. Add the Worcestershire sauce and cook until the vegetables are tender, about 2 more minutes. Season with salt and pepper and remove from the heat. Combine the ketchup and mustard in a small bowl and set aside. 
• Top each patty with one-quarter of the mushroom mixture and 1 slice cheese. Return to the broiler to melt the cheese, about 1 minute. 
• Spread the buns with the ketchup mixture; sandwich with the patties and some lettuce. Serve with chips and/or pickles. 

Steps:

• Shape beef into six 1/2-in.-thick patties. In a large nonstick skillet, cook burgers over medium heat until a thermometer reads 160°, 5-7 minutes on each side. Remove to paper towels; drain, reserving 2 tablespoons drippings. Add mushrooms to drippings in pan; cook and stir until tender, 4-6 minutes. , Meanwhile, in a microwave-safe bowl, combine soup and water. Cover and microwave on high until heated through, 2-3 minutes. , Return patties to the skillet. Add soup mixture. Bring to a boil. Reduce heat; simmer, uncovered, for 3 minutes. Top each patty with a slice of cheese. Remove from the heat; cover and let stand until cheese is melted. Serve on buns topped with mushrooms.