INGREDIENTS
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2 (2½-pound) racks St. Louis-style pork spare ribs
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1¼ teaspoons kosher salt, divided
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1 teaspoon ground black pepper, divided
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½ cup apple cider vinegar
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¼ cup ketchup
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1 tablespoon Dry Rub
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2 tablespoons water
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Tomato Barbecue Sauce