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| ground beef: 1.5 lbs |
| bread crumbs: 1/3 cup (italian seasoned) |
| onions: 1/2 (chopped) |
| salt: 1 tsp |
| mozzarella cheese, whole milk: 4 oz (shredded, divided) |
| black pepper: 1 Tbl |
| garlic powder: 1 tsp |
| spaghetti/marinara sauce: 1/2 cup |
| hoagie rolls: 3 |
Credit: allrecipes.com