INGREDIENTS
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2 pounds lean ground beef
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2 tablespoons Worcestershire sauce
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2 1/2 tablespoons hickory liquid smoke flavoring
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1 tablespoon 4 peppercorn blend, crushed
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1 teaspoon salt
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1 tablespoon olive oil
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4 slices mild cheddar cheese
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4 slices bacon, cooked
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8 slices red onion
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4 hamburger buns