This Crockpot French Onion Mississippi Pot Roast combines deep onion flavor, tender beef, and tangy pepperoncini for a cozy, flavorful meal perfect for any night of the week.
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: Sear roast in a skillet for 2–3 minutes per side.
Place sliced onions in the Crockpot, if using.
Set roast on top of the onions.
Sprinkle soup mix evenly over the meat.
Top with butter chunks.
Add pepperoncinis and pour in their juice.
Pour beef broth along the sides of the roast.
Cover and cook on LOW for 8–10 hours.
Shred the beef and return it to the juices before serving.