Cut the chuck roast into 8-12 chunks; put into a large bowl, salt generously and toss.
Sear all of the pieces of beef in the skillet, 3 minutes a side. Do not touch before 3 minutes.
As the beef finishes, place it in your slow cooker.
To make your adobo sauce, add the lime juice, vinegar, five cloves of garlic, chipotles, and seasonings to your blender. Mix until smooth and pour over the meat.
Add your beef broth to the blender to clean off the sides and then add this to the beef.
Nestle the beef into the crock pot to cover it with sauce as much as possible.
Add your bay leaves on top of the beef.
Cut your onion in quarters and place on top of the beef.
Cook on low for 8-12 hours, or high for 4-8 hours.
Check your beef and make sure it’s fall apart tender, cook another ½ hour if it’s not.
Remove the onion and bay leaves and shred the meat in the slow cooker.
Serve on tortillas or over rice with salsa verde