Slow Cooker Barbacoa Beef

Bahan-bahan (8 porsi)

• 4 pounds beef chuck roast (or pot roast)
• 1 tablespoon olive oil
• 1 onion (finely diced)
• ½ cup beef broth
• 3 tablespoons apple cider vinegar
• 1 small lime (juiced)
• 4 chipotle peppers (in adobo, diced)
• 5 cloves garlic (minced)
• 1 tablespoon cumin
• 1 teaspoon dried oregano
• 2 to 3 bay leaves
• ⅛ teaspoon ground cloves