 
    Ingredients
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            For 10 SERVINGS5 lb boneless pork shoulder(2 kg) 
 3 tablespoons achiote paste
 2 tablespoons guajillo chili powder
 1 tablespoon garlic powder
 1 tablespoon dried oregano
 1 tablespoon cumin
 1 tablespoon salt
 1 tablespoon pepper
 ¾ cup white vinegar(175 mL)
 1 cup pineapple juice(240 mL)
 1 pineapple, skinned and sliced into 1-inch (2 cm) rounds10 small corn tortillas
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            FOR SERVING10 small corn tortillas 1 white onion, finely chopped 1 cup fresh cilantro(40 g), finely chopped 1 cup salsa(260 g) 1 avocado, diced 2 limes, cut into wedges 
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            SPECIAL EQUIPMENT1 Al Pastor Skewer Choose the right length of stick according to the height of the oven 
