Slow Cooker Al Pastor

Ingredients

• 1 white onion peeled and sliced in half
• 7 ounces chipotles in adobo sauce
• 2 cloves garlic peeled
• 2 tablespoons apple cider vinegar
• 1 tablespoon chili powder
• 1 teaspoon cumin
• 1 pineapple large, peeled, cored, and chopped
• 12 ounces beer
• 3 pounds boneless pork shoulder roast
• tortillas
• cilantro
• diced red onion
• fresh pineapple additional
• lime wedges