Grilled Birria Sandwich

Ingredients

• 1 boneless US Chuck Arm Roast (or 1.5 kg)
• 1 onion
• 1 tbsp. garlic
• 1 cup beef broth
• 1/2 can chipotle peppers
• 3 chiles
• 1 bay leaf
• 1 cinnamon stick
• 1 tbsp. smoked paprika
• 1 tbsp. chili powder
• 2 tsp. oregano
• 2 tsp. freshly ground black pepper
• 1/4 tsp. cloves
• 2 tbsp. olive oil
• 4 French bread rolls
• 1/2 cup cheese
• 2 Roma tomatoes
• 1 large avocado
• 2 tbsp. fresh cilantro