Season chuck roast with salt and pepper on all sides.
Heat oil in a large skillet over medium-high heat. Sear each side of the roast for 2-3 minutes or until browned. If needed, add more oil to the skillet. Remove and place it in a 6-quart slow cooker.
Add Guajillo chilies, chipotle chilies, onion, garlic, honey, beef broth, tomatoes, lime juice, cumin, oregano, cinnamon, paprika, nutmeg, coriander, and thyme to a blender. Blend until smooth and pour over the beef. Then, place bay leaves on top.
Cover and cook on low for 8 hours.
Remove bay leaves and 1 cup of birria consume, add to a bowl. Set aside.
Shred beef with two forks and mix into the sauce.
Heat oil in a large skillet over medium heat. Dip tortillas in reserved birria consume and place 2-3 tortillas flat in the skillet at a time.
Top the entire tortilla with cheese. Then, add beef, onions, and cilantro to one side of the tortilla. Fold in half and cook for 2-3 minutes on each side.
Strain the remaining birria consume and add to small bowls for dipping. Serve while hot and enjoy.
