Slow Cooker Beef Barbacoa

Place the roast onion bay leaves black pepper garlic powder and vinegar in slow cooker; cover ingredients completely with water. Cover and cook on High setting until meat is very tender and falling apart about 4 hours.

Remove meat from slow cooker and discard liquids. Return meat to slow cooker; shred with fork and knife. Stir tomato sauce chili powder and salt into the shredded meat. Cover the cooker and cook meat and sauce on High for an additional 2 hours.