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| ground beef: 1 lb |
| onions: 1 (chopped) |
| distilled vinegar: 1 1/2 Tbl |
| light brown sugar (packed): 1 1/2 Tbl |
| yellow mustard: 1 1/2 tsp |
| ketchup: 3/4 cup |
| salt (to taste) |
| black pepper (to taste) |
| hamburger buns: 6 buns |
Credit: AllRecipes
"This is a wonderful staple of the Pennsylvania Coal Region. It's the traditional 'sweet and sour'. Delicious on a hamburger bun."