INGREDIENTS
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2 racks (2 to 2 1/2 pounds each) Saint Louis-style pork ribs
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Vegetable oil, for grill rack
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2 tablespoons packed light-brown sugar
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2 tablespoons coarse salt
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2 teaspoons freshly ground pepper
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2 teaspoons hot paprika
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2 teaspoons mustard powder
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1 teaspoon celery seed
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2 tablespoons vegetable oil
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1 small yellow onion, finely chopped (1 cup)
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3 garlic cloves, minced
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1/4 teaspoon red-pepper flakes
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1/4 cup tomato paste
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1/4 cup bourbon
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1 cup strained tomatoes
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1/2 cup cider vinegar
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1/4 cup Worcestershire sauce
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1 cup water
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1/4 cup plus 2 tablespoons light-brown sugar
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Coarse salt and freshly ground pepper