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| hamburger: 1.5 lbs |
| eggs: 1 (beaten) |
| graham cracker crumbs: 3/4 cup |
| onions (chopped): 1/2 cup (chopped) |
| salt: 1 tsp |
| tomato sauce: 1/3 cup |
| fresh oregano (leaves): 1/2 tsp |
| black pepper: 1/4 tsp |
| mozzarella cheese, whole milk (shredded): 2 cups (shredded) |
| tomato sauce: 2/3 cup |
Credit: Food.com