This Crockpot French Onion Mississippi Pot Roast brings together savory onion flavor, buttery richness, and tangy pepperoncini in a fork-tender beef roast that’s easy to prepare and packed with flavor.
3–4 lb chuck roast
1 packet French onion soup mix
5–8 whole pepperoncini peppers
2 tbsp pepperoncini juice
1 stick (½ cup) unsalted butter
½ cup beef broth
1 medium onion, sliced (optional)
2 cloves garlic, minced (optional)
Optional: Brown the roast in a skillet on all sides.
Place sliced onion in the bottom of the Crockpot.
Set the roast on top.
Sprinkle the soup mix over the roast.
Add butter pieces and place pepperoncinis on and around the meat.
Pour in pepperoncini juice and beef broth along the sides.
Cover and cook on LOW for 8–10 hours.
Shred the roast, discard any large fat pieces, and return to the juices before serving.