Tacos Al Pastor Author: Aimee Ingredients Marinade: 6 pounds boneless pork shoulder 3 tablespoons achiote paste 2 tablespoons guajillo chili powder 1 tablespoon Tajin seasoning 1 tablespoon garlic powder 1 tablespoon oregano 1 tablespoon cumin 1 ½ tablespoons salt 1 tablespoon pepper ¾ cup white vinegar 1 1/3 cup canned pineapple juice ½ cup Potter