This recipe is from a customer who swears by it.
1 4-lb beef roast
1 large jar of pepperoncini, undrained
1 smaller jar of pepperoncini, drained
Put beef in slow cooker, top with peppers and juice from large jar. Cook on low for about 8 hours, until it shreds easily.
Serve pulled beef and pepperoncinis with corn tortillas and slices of avocado, tomato and onion.
Got to love a recipe with basically 2 ingredients!