8 ounces bulk Italian sausage
4 ounces lean ground beef
½ cup chopped onion (1 medium)
1 garlic, minced
1 cup ketchup
1 4 ounce can mushroom stems and pieces, drained
¼ cup sliced pitted ripe olives (optional)
½ teaspoon dried Italian seasoning, crushed
¾ cup shredded mozzarella cheese (3 ounces)
4 French-style rolls or hoagie buns, split lengthwise
1. In a large skillet, cook meat, onion, and garlic over medium heat until meat is brown and onion is tender. Drain off fat.
2. Meanwhile, in a 1 1/2-quart slow cooker, combine ketchup, mushrooms, olives (if desired), and Italian seasoning. Stir in meat mixture.
3. Cover and cook on low-heat setting* for 4 to 5 hours.
4. To serve, place half of the cheese evenly on roll bottoms. Spoon meat mixture over cheese. Top with remaining cheese and roll tops.