Ingredients
4 slices bacon1/4 cup chopped onion1 can (4 ounces) mushroom pieces, drained and finely chopped1 pound lean ground beef1 pound bulk pork sausage1/4 cup grated Parmesan cheese1/2 teaspoon pepper1/4 teaspoon garlic powder2 tablespoons steak sauce8 hamburger buns, split and toastedLeaf lettuce, optional
Preparation
In a large skillet, cook bacon over medium heat until crisp. Remove bacon and discard all but 2 tablespoons drippings. Saute onions in drippings until tender. Crumble bacon; add with mushrooms to skillet and set aside.
Meanwhile, combine beef, pork, cheese, pepper, garlic powder and steak sauce in a large bowl. Shape into 16 patties. Divide bacon mixture and place over eight of the patties. Place remaining patties on top and press edges tightly to seal.
Grill over medium heat until thermometer reads 160°. Serve on buns, with lettuce if desired.