Slow Cooker Mississippi Pot Roast is an easy way to turn a simple roast into a tender, savory meal packed with bright, tangy flavor. This popular slow cooker recipe blends everyday ingredients into a reliably delicious dish that’s perfect for weeknights or Sunday dinners.

With minimal prep, the beef becomes incredibly tender after slow cooking. This version of pot roast is distinctive for its tang from pepperoncini peppers and the savory backbone of ranch seasoning, yielding a rich gravy and melt-in-your-mouth meat.
Why Is It Called A Mississippi Pot Roast?
The name “Mississippi pot roast” comes from a relatively recent origin story in southern kitchens where pepperoncini and ranch seasoning were added to a classic roast. Over the last few decades the recipe spread widely across home-cook communities and social media, turning it into a modern comfort-food favorite.
Unlike a traditional pot roast, which typically focuses on aromatics and root vegetables cooked with a large cut of beef, the Mississippi version uses pepperoncini and ranch seasoning to create tangy, slightly acidic notes that define the dish.
Ingredients Needed
This recipe uses just a handful of pantry staples—five main ingredients plus cornstarch for thickening. It’s an ideal add-to-cart list for a quick grocery run.
- Rump or chuck roast – Both are great for slow cooking. Chuck has more marbling and shreds beautifully; rump is leaner and slices well.
- Beef broth – Provides the base for the gravy and boosts overall flavor.
- Cornstarch – Mixed with water to form a slurry that thickens the cooking liquid into gravy.
- Ranch seasoning – A packet or homemade blend works; this is a key savory element.
- Pepperoncini peppers – Add tang and mild heat; the brine contributes bright acidity.
- Butter – Slices of butter on top enrich the sauce and help create a silky finish.

How To Make A Mississippi Pot Roast In The Slow Cooker
The method is straightforward and forgiving, which is why this dish became so popular. Follow these simple steps for a tender, flavorful roast:
- Add the rump or chuck roast to the slow cooker and pour in the beef broth.
- Mix the cornstarch with an equal amount of cold water until smooth to form a slurry; stir it into the broth.
- Sprinkle the ranch seasoning evenly over the roast.
- Arrange 8–10 pepperoncini peppers on top and place slices of butter over the roast.
- Cover and cook on high for 4–5 hours or on low for 8–10 hours, until the roast is very tender. A thermometer isn’t strictly necessary for shredding-style results, but if used the internal temperature will be high once the connective tissue has broken down.
- Remove the roast and shred with two forks, or slice if you prefer. Serve over mashed potatoes, rice, noodles or bread, and spoon the gravy over the meat. Add extra pepperoncini to individual portions for more tang.






When the roast is done, shred or slice and serve with plenty of the gravy. Leftovers are versatile—use the beef for sandwiches, tacos, or reheated bowls over mashed potatoes or noodles.

What Goes Best With Mississippi Pot Roast?
This roast pairs well with any side that can soak up gravy. Classic choices include mashed potatoes, slow-cooker baked potatoes, wide egg noodles, rice, or thick slices of toasted bread. The shredded beef also makes excellent sandwiches topped with melted cheese—provolone or pepper jack work well.
For vegetable sides, roasted carrots or a crisp garden salad with a creamy dressing balance the dish nicely. Save the pepperoncini to add to leftovers for extra brightness.

How Do You Make Mississippi Pot Roast In The Instant Pot?
You can make this recipe in an Instant Pot to free up the slow cooker. Add all ingredients except the cornstarch slurry, cook on high pressure for 45 minutes, and allow a natural pressure release. Shred the meat in the pot, then stir in the cornstarch slurry and use Sauté mode until the sauce thickens.
Mississippi Pot Roast FAQs
- What can substitute pepperoncini? Use other pickled peppers, banana peppers, or add fresh peppers (jalapeño, poblano) plus a splash of vinegar to mimic the tang and mild heat.
- Why isn’t my roast tender? Tough cuts need long, steady cooking. If it isn’t tender, it likely needs more time or the lid was opened frequently during cooking.
- Will it get more tender the longer it cooks? Generally yes—slow, extended cooking breaks down connective tissue—but cooking too long without sufficient liquid can dry the meat.
- Best uses for leftovers? Ladle meat and gravy over potatoes, noodles, or rice; make sandwiches or wraps; or add chopped meat to salads for a hearty topping.
Slow Cooker Mississippi Pot Roast
Equipment
- Slow Cooker
- Meat thermometer (optional)
Ingredients
- 3–pound rump or chuck roast
- 1 cup beef broth
- 2 tablespoons cornstarch
- 1 tablespoon ranch seasoning (store-bought or homemade)
- 8–10 pepperoncini peppers
- 2 tablespoons butter
Instructions
- Add the roast to the slow cooker and pour in the beef broth.
- Whisk cornstarch with an equal amount of water until smooth and add to the broth.
- Sprinkle ranch seasoning over the roast.
- Top with pepperoncini and butter slices.
- Cover and cook on high for 4–5 hours or low for 8–10 hours until the roast is very tender.
- Shred or slice the beef and serve over mashed potatoes, rice, noodles, or bread. Add extra peppers to taste.
Notes
- If adding vegetables, choose root vegetables such as carrots and potatoes.
- Chuck roast is best for shredding; rump roast is better for slicing.
- Store leftovers in the refrigerator up to 3 days, or freeze in an airtight container up to 3 months.
- Reheat single portions in the microwave or in a skillet.
Nutrition (approx. per serving)
More Slow Cooker Roast Recipes
- Slow Cooker Herb Crusted Pork Roast
- Slow Cooker Roast Beef with Rosemary and Garlic
- Slow Cooker Chili Lime Pork Roast
- Slow Cooker Pot Roast with Gravy