Slow Cooker Barbacoa Short Rib Tacos

Bahan-bahan (12 porsi)

• 1 tablespoon vegetable oil
• 6 pounds beef short ribs (fat trimmed)
• 4 chiptole peppers in adobo sauce (chopped, plus the adobo sauce)
• 1 white onion (finely chopped)
• 1 tablespoon garlic (minced, or 4 cloves garlic, minced)
• 1/3 cup barbecue sauce
• 1/4 cup lime juice (freshly squeezed)
• 2 tablespoons apple cider vinegar
• 2 bay leaves
• 1 tablespoon ground cumin
• 1 tablespoon salt
• 1/2 cup beef broth (stock)
• 12 corn tortillas (warm)
• 1/2 cup cilantro leaves (chopped fresh, or parsley if you don't like cilantro)
• 1/2 onion (diced)
• 2 avocados (sliced)
• 1 teaspoon sour cream (or Mexican Crema)