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| bread crumbs: 1 cup |
| onions: 1 (chopped) |
| tomato sauce: 1/2 cup |
| eggs: 1 |
| salt: 1 1/2 tsp |
| black pepper: 1/4 tsp |
| ground beef, lean: 1 lb |
| ground pork: 0.5 lb |
| ketchup: 1/2 cup |
| light brown sugar (packed): 3 Tbl |
| worcestershire sauce: 3 Tbl |
| distilled vinegar: 2 Tbl |
| yellow mustard: 2 Tbl |
Credit: Food.com