New Zealand Grass-fed Lamb Birria

Ingredients

• 3 dried ancho chilis
• 2 Guajillo dried chilis
• 4 dried Chile de arbol
• 2 cups beef broth
• 2 tbsp olive oil
• 3½-4 pounds New Zealand Grass-fed Boneless Lamb Shoulder
• salt
• black pepper
• 1 medium onion, divided, cut in half and sliced
• 4 cloves garlic
• ¼ cup tomato paste
• 14 ounces can fire roasted tomatoes, including juice
• 2 tbsp cumin
• ½ tsp all-spice
• 2 tbsp. dried oregano
• ¼ tsp cinnamon
• 1 tsp coriander
• 1 tsp paprika