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Slow Cooker Mississippi Pot Roast

By Ahsan ul Haq · Published: 19 October 2026 · Last updated: 19 October 2026 · How our recipes are developed

Slow cooker Mississippi pot roast shredded in its gravy with pepperoncini peppers in a slow cooker
Photo: FryDaily studio graphic.

Mississippi pot roast is one of the internet's genuine folk recipes — five ordinary ingredients that somehow add up to far more than their list. A chuck roast, a packet each of ranch and au jus seasoning, a stick of butter, and a handful of pepperoncini peppers go into the slow cooker in the morning, and by dinner the beef falls apart at the touch of a fork in a gravy that is rich, tangy and just warm enough from the peppers to keep you going back for another bite.

It earns its place in our Slow Cooker & Casseroles collection by the same standard as our Classic Slow Cooker Beef Stew: ten minutes of work in the morning, no browning step demanded, and leftovers that may honestly be better than the first serving. Serve it over mashed potatoes, buttered noodles, or rice — anything that gives the gravy somewhere to go.

The pepperoncini are doing more than adding heat, which they barely do. Their vinegar brine cuts through a very rich pot, and over eight hours the peppers soften into the gravy and season the whole roast. A splash of the brine from the jar sharpens it further if you like things tangy. What the recipe does not need is added liquid — the roast and butter produce plenty of gravy on their own, and extra broth only dilutes it.

Prep10 minutes
Cook8 hours
Total8 hours 10 minutes
Servings8 servings
Calories430 kcal

Chuck roast is the cut this recipe was built on

Chuck comes from the shoulder, well marbled and threaded with connective tissue that melts into gelatin over a long, low cook — which is exactly what makes the finished beef shred into juicy strands instead of dry chunks. Leaner roasts like round or rump stay stubbornly stringy in the slow cooker no matter how long they sit. Look for a chuck roast with visible streaks of fat running through it, around 3 to 4 lb (1.4 to 1.8 kg), and trim only the largest external slabs of fat, leaving the marbling alone to do its work.

Sear it if you like — but know it is optional

Many versions insist the roast goes straight in raw, and honestly, it comes out tender and flavorful that way; the seasoning crust forms in the cooker. A hard sear in a hot skillet, 4 minutes per side, adds a deeper, beefier crust and is worth it on a weekend when you have the minutes and do not mind the extra pan. What we would not do is flour the roast before searing for a slow cooker — the flour can turn pasty over eight hours, and this gravy thickens perfectly well with a cornstarch slurry at the end if you want it thicker.

Ingredients

  • 1 (3 to 4 lb) beef chuck roast (1.4 to 1.8 kg)
  • 1 teaspoon kosher salt (6 g)
  • 1/2 teaspoon black pepper (1.5 g)
  • 1 (1 oz) packet ranch seasoning mix (28 g)
  • 1 (1 oz) packet au jus gravy mix (28 g)
  • 1/2 cup unsalted butter (113 g), cut into pats
  • 8 whole pepperoncini peppers (about 60 g), plus 2 tablespoons brine (30 ml) from the jar
  • 1 tablespoon cornstarch (8 g), optional, for a thicker gravy
  • Mashed potatoes, buttered noodles or rice, for serving

Amounts are for the yield below. US customary measures first, grams in brackets for scale users.

Step-by-step instructions

  1. Season the roast. Pat the chuck roast dry with paper towels and season all over with the kosher salt and black pepper. Place it in a 6 quart (5.7 L) slow cooker. If your roast is much wider than the cooker, cut it into two large pieces so it sits in an even layer.
  2. Add the seasoning packets. Sprinkle the ranch seasoning mix evenly over the top of the roast, then sprinkle the au jus mix over that. Do not add water or broth — the roast releases plenty of liquid as it cooks, and that liquid becomes the gravy.
  3. Top with butter and peppers. Lay the butter pats across the top of the seasoned roast. Scatter the whole pepperoncini peppers around and over the roast and drizzle the pepper brine over everything.
  4. Cook low and slow. Cover and cook on LOW for 8 hours, until the beef is completely tender and pulls apart easily with a fork, reaching at least 190°F (88°C) in the thickest part — pot roast tenderness lives well past well-done, and the long cook is what melts the connective tissue. Avoid lifting the lid during the cook.
  5. Shred the beef. Transfer the roast to a board, or shred it directly in the cooker with two forks, pulling it into large, juicy chunks and discarding any big pieces of fat. Skim excess fat from the surface of the gravy if you like, then return the shredded beef to the cooker and stir it through the gravy.
  6. Thicken if you like, and serve. For a thicker gravy, whisk the cornstarch with 2 tablespoons of cold water, stir it into the cooker, cover and cook on HIGH for 15 minutes until glossy. Serve the beef and its gravy spooned generously over mashed potatoes, buttered noodles or rice.

Nutrition estimate

NutrientPer serving
Calories430 kcal
Protein38 g
Carbohydrates3 g
Fat29 g
Saturated fat14 g
Sodium980 mg
Fiber0 g
Sugar1 g

Nutrition figures are estimates calculated from standard ingredient data for the yield stated. Your actual values will vary with brands, substitutions and portion sizes — treat them as a guide, not a guarantee.

Storage & reheating

Leftovers keep for up to 4 days in an airtight container in the refrigerator, stored in their gravy so the beef stays moist — the flavor deepens noticeably by the second day. Reheat gently on the stove over medium-low heat until steaming and the beef reaches 165°F (74°C). The roast and gravy also freeze well for up to 3 months; thaw overnight in the refrigerator and reheat as above. Shredded leftovers make excellent sandwiches on toasted rolls with a slice of provolone. Nutrition figures are estimates from standard ingredient data and vary with brands and substitutions.

Slow cooker Mississippi pot roast shredded in its gravy with pepperoncini peppers in a slow cooker

Slow Cooker Mississippi Pot Roast

Recipe by Ahsan ul Haq, FryDaily editor · Published 19 October 2026

Fall-apart chuck, tangy pepperoncini gravy — five ingredients, all-day reward.

Yield: 8 servings  ·  Scale:
Prep10 minutes
Cook8 hours
Total8 hours 10 minutes
Servings8 servings
Calories430 kcal

Ingredients

Tick ingredients off as you prep, and tap a step below to mark it done as you cook. Scaling adjusts the listed amounts - seasoning to taste stays your call.

Instructions

  1. Season the roast. Pat the chuck roast dry with paper towels and season all over with the kosher salt and black pepper. Place it in a 6 quart (5.7 L) slow cooker. If your roast is much wider than the cooker, cut it into two large pieces so it sits in an even layer.
  2. Add the seasoning packets. Sprinkle the ranch seasoning mix evenly over the top of the roast, then sprinkle the au jus mix over that. Do not add water or broth — the roast releases plenty of liquid as it cooks, and that liquid becomes the gravy.
  3. Top with butter and peppers. Lay the butter pats across the top of the seasoned roast. Scatter the whole pepperoncini peppers around and over the roast and drizzle the pepper brine over everything.
  4. Cook low and slow. Cover and cook on LOW for 8 hours, until the beef is completely tender and pulls apart easily with a fork, reaching at least 190°F (88°C) in the thickest part — pot roast tenderness lives well past well-done, and the long cook is what melts the connective tissue. Avoid lifting the lid during the cook.
  5. Shred the beef. Transfer the roast to a board, or shred it directly in the cooker with two forks, pulling it into large, juicy chunks and discarding any big pieces of fat. Skim excess fat from the surface of the gravy if you like, then return the shredded beef to the cooker and stir it through the gravy.
  6. Thicken if you like, and serve. For a thicker gravy, whisk the cornstarch with 2 tablespoons of cold water, stir it into the cooker, cover and cook on HIGH for 15 minutes until glossy. Serve the beef and its gravy spooned generously over mashed potatoes, buttered noodles or rice.
Calories: 430 kcalProtein: 38 gCarbohydrates: 3 gFat: 29 gSaturated fat: 14 gSodium: 980 mgFiber: 0 gSugar: 1 g

Recipe by Ahsan ul Haq · FryDaily. Printing? This card is designed to print cleanly on its own.

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Recipe by Ahsan ul Haq

Ahsan ul Haq is the owner and editor of FryDaily. He plans the recipe calendar and writes the site's recipes from classic home-cooking methods and standard references — US measures with grams, honest planning times and a nutrition estimate on every page. More about the author · How our recipes are developed

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Frequently asked questions

Is Mississippi pot roast spicy?

Milder than most people expect. Whole pepperoncini cooked for eight hours give warmth and tang rather than real heat — most of their fire mellows into the gravy. For a spicier roast, slice the peppers instead of leaving them whole, or add a second spoonful of brine and a pinch of red pepper flakes. For no heat at all, swap the pepperoncini for mild banana pepper rings and keep the brine.

Can I cook it on HIGH instead?

You can cook it on HIGH for 4 to 5 hours, and the roast will be tender, but the LOW setting gives the most reliably silky shred — chuck needs time at temperature for its connective tissue to melt fully, and a rushed roast can be tender in one spot and chewy in another. If some of your roast still resists the fork, it is not overcooked; it needs more time, not less.

Can I add potatoes and carrots to the cooker?

Yes, and many families do. Add 1 1/2 lb (680 g) of halved baby potatoes and thick-cut carrots under and around the roast at the start; they will cook in the gravy and come out rich and tender. Know that the vegetables soften considerably over 8 hours — if you like them with more bite, add them halfway through the cook instead.

What can I use instead of the seasoning packets?

For the ranch packet, use 1 tablespoon dried parsley, 1 teaspoon each garlic powder and onion powder, 1/2 teaspoon dried dill and 1/2 teaspoon salt. For the au jus packet, 2 teaspoons beef bouillon granules with 1/2 teaspoon onion powder does the job. The homemade version is also the way to control the sodium, which in the packet version is the one genuinely high number in this recipe.

Why is my gravy thin?

This gravy is naturally a rich, pourable jus rather than a thick, floury gravy, and it coats shredded beef beautifully as written. If you want it thicker, the cornstarch slurry in the last step is the fix — stir it in at the end and give it 15 minutes on HIGH. Do not add flour at the start of the cook; over eight hours it can turn pasty and dull the tangy flavor.