INGREDIENTS
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2 cups store-bought salsa, plus more for serving
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2 tablespoons chili powder
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2 tablespoons dried oregano
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2 tablespoons unsweetened cocoa powder
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Kosher salt
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1 2 1/2-pound boneless pork butt or shoulder, trimmed of excess fat
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18 corn tortillas
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1/2 cup fresh cilantro sprigs
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3/4 cup sour cream
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1 lime, cut into wedges