This Crockpot French Onion Mississippi Pot Roast combines savory onion flavor, buttery richness, and the subtle heat of pepperoncini for a mouthwatering, tender roast that’s perfect for any occasion.
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 for 2–3 minutes per side.
Place sliced onions in the bottom of the Crockpot, if using.
Lay the roast on top.
Sprinkle soup mix over the roast.
Add butter slices evenly over the top.
Add pepperoncinis and pour in their juice.
Pour broth along the sides of the Crockpot.
Cover and cook on LOW for 8–10 hours.
Shred meat and return to juices before serving.