Sizzling Crock Pot Birria Tacos Recipe: Slow-Cooked Flavor Magic

Ingredients

• 4 1/2 to 5 lbs (2 to 2.3 kg) boneless beef chuck roast
• 5 dried ancho chiles
• 4 dried guajillo chiles
• 5 dried arbol chiles
• 1 tbsp black peppercorns
• 1 tbsp coriander seed
• 2 bay leaves
• 1 cinnamon stick
• 1 tbsp dried oregano
• 1 tbsp ground cumin
• 2 tbsps sea salt
• 3 tbsps avocado oil
• 1 large yellow onion
• 8 cloves garlic, minced
• 1 quart (946 ml) beef broth
• ⅓ cup (80 ml) apple cider vinegar
• 3 tbsps tomato paste
• Corn tortillas, for serving
• Grated mozzarella cheese or Oaxaca cheese, for serving
• Pickled red onions, for serving
• Cilantro, for serving