Authentic Traditional Mexican Birria Recipe: Rich Fiesta Flavors

Ingredients

• 3 1/2 pounds lamb shoulder
• 5 ancho peppers, stems and seeds removed
• 5 guajillo peppers, stems and seeds removed
• 2 to 3 chiles de arbol (optional)
• 1 large white onion, chopped
• 5 cloves garlic, chopped
• 1 tablespoon dried Mexican oregano
• 1 teaspoon cinnamon
• 1 teaspoon cumin
• 1 teaspoon ground ginger
• 1 teaspoon black pepper
• 1 tablespoon sea salt
• 3 large tomatoes, chopped
• 2 large roasted tomatoes, chopped
• 1 tablespoon olive oil
• 1/2 cup apple cider vinegar
• 4 cups beef stock