Shredded Lamb Shoulder Biria Tacos

Ingredients

• 1 lamb shoulder jointed into cubes
• 2 tbsp olive oil
• Plenty of salt and pepper to season the lamb
• 4 dried guajillo chiles, stemmed and seeded
• 2 dried ancho chiles, stemmed and seeded
• 6 black peppercorns
• 4 whole cloves
• 1 cinnamon stick
• 2 tsp coriander seeds
• 2 tsp cumin seeds
• 1 yellow onion, quartered
• 4 garlic cloves
• 3 tomatoes, quartered
• 1 L water
• 2 teaspoons white vinegar
• 2 beef stock cubes
• 1 tbsp oregano
• 2 bay leaves
• 8 white wraps
• 1 pack of feta hand shredded
• 1 red onion, thinly sliced
• Lime wedges