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+ servings

Slow Cooker Mississippi Pot Roast

Slow Cooker Mississippi Pot Roast is a rich, tender family dinner made with chuck roast, ranch seasoning, au jus, pepperoncini, and butter. With only 10 minutes of preparation, the slow cooker handles the rest and gives you juicy, shreddable beef that is wonderful over mashed potatoes or rice.
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Slow Cooker Mississippi Pot Roast with shredded beef and peppers on mashed potatoes garnish with fresh herbs
Prep Time:10 minutes
Cook Time:9 hours
Total Time:9 hours 10 minutes

Ingredients

  • 1 (3-4 lb.) chuck roast
  • 1 ounce ranch seasoning mix
  • 1 ounce au jus gravy mix
  • 6 pepperoncini peppers plus a splash of the juice
  • ½ cup butter
  • 2 tbsp. oil to sear the roast

Instructions

  • Step 1: Heat the Skillet - Place a large skillet over medium high heat and add the cooking oil. Give the oil a minute or two to become hot before adding the roast. You are looking for an oil surface that appears loose and shimmery, but it should not be smoking heavily. Starting with a properly heated pan helps the beef brown instead of steaming, and that browned surface adds a deeper roasted flavor to the finished meal.
  • Step 2: Sear the Chuck Roast - Carefully place the chuck roast in the hot skillet. Let it cook without moving it for 3 to 4 minutes, then turn it and sear the second side for another 3 to 4 minutes. If the roast has thick edges that are easy to hold with sturdy tongs, you can briefly brown those too. The beef will not be cooked through at this point, and that is exactly right. You are simply creating a dark golden crust that will bring extra flavor to the slow cooker.
  • Step 3: Transfer the Roast - Move the seared chuck roast into the slow cooker, placing it as flat as possible. Pour any flavorful juices from the skillet over the beef. Those browned bits and drippings may not look like much, but they carry a lot of flavor. Be careful when moving the roast since it is heavy and the hot oil can splash. A wide pair of tongs and a sturdy spatula make this step easier.
  • Step 4: Add the Seasonings - Sprinkle the ranch seasoning mix evenly over the top of the roast, followed by the au jus gravy mix. There is no need to add a cup of water or beef broth. The roast will release plenty of its own juices as it cooks, and the butter and pepperoncini brine will add more moisture. Keeping the added liquid limited gives you a concentrated, savory sauce instead of a thin broth.
  • Step 5: Add the Pepperoncini - Arrange the pepperoncini peppers over and around the roast, then spoon in a small splash of their juice. I usually start with about 1 tablespoon when cooking for the whole family. You can use a little more when your crew enjoys a stronger tang. The peppers mellow as they cook, and their bright acidity helps balance the beef, butter, and seasonings.
  • Step 6: Top With Butter - Cut the butter into roughly one half inch pieces and arrange them across the top of the seasoned roast. Spreading the pieces out helps the butter melt over more of the surface. As it melts, it carries the ranch and au jus seasonings down around the meat and into the cooking juices. It may look like a generous amount of butter, but it is part of what gives this roast its signature richness.
  • Step 7: Cook Low and Slow - Cover the slow cooker and cook the roast on low for 8 to 9 hours. Try not to lift the lid during the cooking time because each peek releases heat and can slow the process. The roast is ready when a fork slides in easily and the beef begins to separate with very little pressure. A larger or thicker roast may need the full 9 hours, while a smaller roast may become tender closer to 8 hours.
  • Step 8: Shred the Beef - Lift the pepperoncini from the slow cooker and set them aside for a moment. Use two forks to pull the roast into large, tender pieces. You can shred it directly in the slow cooker, which keeps all the beef coated in the flavorful juices and saves you from washing another dish. Remove any large pieces of fat that did not melt during cooking.
  • Step 9: Finish and Serve - Return the pepperoncini to the slow cooker when your family enjoys them, or leave them on the side so everyone can choose. Gently stir the shredded beef through the cooking juices, then let it rest for a few minutes with the lid on. This gives the meat time to soak up more of the sauce. Spoon it over mashed potatoes, rice, or another favorite base, making sure every serving gets some of those rich juices.

Notes

Substitutions

  • Beef shoulder roast: A beef shoulder roast can work in place of chuck roast, though the exact cooking time may vary depending on its shape and fat content.
  • Brown gravy mix: Use a packet of brown gravy mix when au jus mix is not available, keeping in mind that the sauce may be slightly thicker.
  • Homemade ranch seasoning: Replace the packet with a homemade blend of dried parsley, dill, garlic powder, onion powder, salt, and black pepper.
  • Banana pepper rings: Mild banana pepper rings can stand in for pepperoncini, especially when that is what you already have in the refrigerator.
  • Unsalted butter: Unsalted butter gives you a little more control over the salt level since both seasoning packets already contain salt.
  • Beef broth: For a roast with more cooking liquid, add one quarter cup of low sodium beef broth, though the recipe generally produces enough juice on its own.

Variations

  • Garlic roast: Add four peeled garlic cloves around the beef before cooking for a mellow garlic flavor that blends into the sauce.
  • Onion roast: Place one sliced yellow onion beneath the beef to add sweetness and create soft, savory onion pieces for serving.
  • Extra tangy roast: Increase the pepperoncini juice to 3 tablespoons and add two extra peppers for a brighter finish.
  • Milder family version: Use only three pepperoncini peppers and 1 teaspoon of juice when cooking for children who are sensitive to tangy flavors.
  • Vegetable dinner: Add thick carrot pieces and small potatoes around the roast during the final 4 to 5 hours so they stay tender without becoming too soft.
  • Creamy roast bowls: Stir a small spoonful of sour cream into each individual serving for a creamy sauce that is especially good over egg noodles.

Tips and Tricks

  • Do not skip the sear: Browning the roast creates a savory crust and gives the final dish a richer flavor than placing raw beef directly into the slow cooker.
  • Choose a well marbled roast: Thin streaks of fat throughout the chuck roast melt during cooking and help keep the beef tender.
  • Cook on low heat: The low setting gives tough connective tissue time to soften, which is the key to beef that shreds easily.
  • Limit added liquid: The roast creates plenty of juice as it cooks, so adding too much broth can dilute the sauce and seasoning.
  • Wait for true tenderness: When the beef feels tough, it usually needs more time rather than less, so continue cooking until the forks slide through easily.
  • Taste before adding salt: Ranch seasoning and au jus mix both contain salt, so wait until the roast is finished before deciding whether it needs more.
  • Keep the pieces generous: Shred the beef into larger pieces instead of tiny threads so it stays juicy and feels substantial on the plate.
  • Save the cooking juices: Spoon the juices over the finished beef, mashed potatoes, or rice because they carry much of the roast's savory flavor.

Serving Ideas

  • Mashed potatoes: Spoon the beef and plenty of cooking juices over creamy mashed potatoes for a classic comfort food dinner.
  • Steamed rice: White or brown rice absorbs the savory sauce and makes the roast easy to stretch for a larger family.
  • Egg noodles: Wide egg noodles are soft, comforting, and sturdy enough to hold the shredded beef.
  • Roasted vegetables: Serve the roast with carrots, green beans, broccoli, or Brussels sprouts to add color and freshness to the plate.
  • Crusty bread: A warm piece of bread is useful for soaking up every last bit of sauce.
  • Sandwich rolls: Pile leftover beef onto toasted rolls and add provolone cheese for an easy lunch or second dinner.
  • Baked potatoes: Split a fluffy baked potato and fill it with warm shredded roast, cooking juices, and a spoonful of sour cream.
  • Simple salad: A crisp green salad with a bright vinaigrette offers a fresh contrast to the rich beef.

Storage and Make Ahead Tips

  • Refrigerating leftovers: Let the roast cool, then transfer the beef and its juices to an airtight container and refrigerate for up to four days.
  • Freezing the roast: Freeze cooled shredded beef with some of the cooking liquid in a freezer safe container for up to three months.
  • Preventing dry leftovers: Always store the beef with its juices because they help protect the meat and keep it moist during reheating.
  • Reheating on the stove: Warm the roast gently in a covered saucepan over low heat, stirring occasionally until heated through.
  • Reheating in the microwave: Place one serving in a microwave safe bowl, add a spoonful of juice, cover loosely, and heat in short intervals.
  • Preparing the night before: Sear the roast and place it in the slow cooker insert with the seasonings and peppers, then cover and refrigerate overnight.
  • Adding butter in the morning: For the best setup, place the sliced butter over the roast just before turning on the slow cooker.
  • Planning for leftovers: Shred only what you need for dinner and store larger pieces in the juices, since bigger pieces tend to stay especially moist.
Servings: 6 servings
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