Pennsylvania Coal Region Barbecue

By MOLLYSPITCHER

4.58 / 5

5min

15min

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1 pound ground beef
1 medium onion chopped
1 ½ tablespoons white vinegar
1 ½ tablespoons brown sugar
1 ½ teaspoons prepared yellow mustard
¾ cup ketchup
salt and pepper to taste
6 hamburger buns