Step 1

Combine all of the ingredients in the slow cooker.

Step 2

Cook on low for 10 to 12 hours, or until the beef is very tender.

Step 3

Transfer the beef to a cutting board, remove the bones and shred the meat with 2 forks.

Step 4

Add the shredded meat back to the slow cooker for 15 minutes to soak up some of the juices.

Step 5

Remove the meat to a serving dish, taking out the chiles.

Step 6

Strain the broth, spoon some over the meat, and serve the rest as an au jus.