INGREDIENTS
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2 tablespoons brown sugar
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1 tablespoon hot paprika
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1 tablespoon kosher salt
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2 teaspoons garlic powder
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1 teaspoon ground cumin
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1 teaspoon dried oregano
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1 teaspoon ground black pepper
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One 4-pound pork butt or shoulder
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1 cup apple juice
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1 cup cider vinegar
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3 tablespoons yellow mustard
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1 teaspoon red pepper flakes
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Oil, for oiling the grill
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8 potato roll buns