Pork Kebabs al Pastor Recipe

Ingredients

• 3 dried chiles de árbol, wiped clean
• 1 cup chopped fresh pineapple
• 1/2 cup distilled white vinegar
• 2 tablespoons vegetable oil
• 2 large garlic cloves, smashed
• 1 teaspoon dried oregano
• 1/2 teaspoon ground cumin
• 1 pound tomatoes (4 medium), halved
• 1 small white onion (6 to 8 ounces), quartered
• 3 tablespoons water
• 1/4 cup chopped cilantro
• 2 pounds boneless pork shoulder, cut into 1 1/2-inch chunks
• 1 large white onion, cut into 1 1/2-inch pieces
• 3 cups (1-inch) chunks fresh pineapple
• 16 (6-inch) corn tortillas
• Equipment: 12 (12-inch) wooden skewers, soaked in water 30 minutes
• Accompaniments: fresh cilantro; lime wedges; thinly sliced radishes