INGREDIENTS
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3 lb. ground chuck
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1 large onion, finely chopped
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1 Tablespoon prepared mustard
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12 oz. Coca Cola
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2 Tablespoons Worcestershire sauce
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2 Tablespoons apple cider vinegar
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1/4 teaspoon salt
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8 to 10 warmed hamburger buns
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ketchup, mustard, chopped onions and pickles for serving