"I came up with this delicious barbecue sandwich on my own. Out of all my barbecue recipes, this one's my husband's favorite. It's also a big hit with family and friends who enjoy it at our Fourth of July picnic.—Sue Gronholz, Beaver Dam, Wisconsin..."
INGREDIENTS
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4-1/2 pounds ground beef
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1-1/2 cups chopped onions
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2-1/4 cups ketchup
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3 tablespoons prepared mustard
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3 tablespoons Worcestershire sauce
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2 tablespoons vinegar
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2 tablespoons sugar
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1 tablespoon salt
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1 tablespoon pepper
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18 hamburger buns, split
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Sliced pickles, optional