Mushroom And Swiss Stuffed Burgers

• 1 tablespoon butter
• 2 cups sliced mushrooms
• 1/4 cup finely chopped onion
• 1 1/2 lbs lean ground beef
• 1 tablespoon mccormick grill mates hamburger seasoning
• 1/3 cup shredded swiss cheese
• 6 hamburger buns
• 6 lettuce leaves (optional)
• 6 tomatoes, slices (optional)
• condiments (optional)

1. Heat butter in nonstick skillet over medium heat. Add mushrooms and onion; cook and stir 4 minutes or until mushrooms have softened. Cool completely.
2. Mix ground beef and hamburger seasoning. Measure twelve (1/4 cup) portions of beef. Shape into thin 4-inch round patties. Place about 1 tablespoon each of the mushroom mixture and cheese in cente of each of 6 patties. Top with remaining hamburger patties, pinching edges to seal filling. If necessary, lightly flatten with spatula.
3. Grill over medium heat 4 to 6 mintes per side or until burgers are cooked through (internal temperature of 160u0b0F).
4. Serve burgers on toasted rolls. Garnish with desired condiments and toppings.

butter, mushrooms, onion, lean ground beef, grill mates, swiss cheese, buns, tomatoes, condiments

Taken from www.food.com/recipe/mushroom-and-swiss-stuffed-burgers-500146 (may not work)