Ingredients
1-1/2 pounds ground beef1/4 cup chopped onion1 can (15 ounces) pizza sauce1 can (4 ounces) mushroom stems and pieces, drained1 tablespoon sugar1/2 teaspoon dried oregano6 hamburger buns, split and toasted1-1/2 cups shredded part-skim mozzarella cheese
Preparation
In a large cast-iron or other heavy skillet, cook beef and onion over medium heat until the meat is no longer pink, 3-5 minutes, breaking beef into crumbles. Drain. Stir in the pizza sauce, mushrooms, sugar and oregano; mix well. Spoon onto buns; sprinkle with mozzarella cheese.
Place on ungreased baking sheets. Broil 4 in. from the heat until cheese is melted, 2 minutes.
Freeze option: Place the split and toasted buns on a baking sheet. Spoon the meat mixture onto buns; freeze for 1 hour. Transfer to freezer-safe airtight containers.