INGREDIENTS
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1/2 cup yellow mustard
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1/4 cup apple cider vinegar
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1/4 cup packed light brown sugar
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1 1/2 tablespoons mustard powder
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2 teaspoons hot sauce
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1/2 teaspoon Worcestershire sauce
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Kosher salt and freshly ground pepper
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2 tablespoons unsalted butter, melted
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8 skin-on, bone-in chicken thighs (2 to 2 1/4 pounds)
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Vegetable oil, for brushing
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1 large tomato, sliced
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Prepared macaroni salad, for serving (optional)