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Tender Slow Cooker Mississippi Pot Roast Recipe with Easy Pepperoncini

slow cooker mississippi pot roast - featured image

A melt-in-your-mouth slow cooker pot roast featuring beef chuck, ranch seasoning, au jus mix, butter, and tangy pepperoncini peppers. This easy recipe delivers rich, buttery, and tangy flavors with minimal effort.

Ingredients

Scale
  • 34 pounds beef chuck roast (well-marbled)
  • 1 packet ranch seasoning mix (about 1 oz / 28 g)
  • 1 packet au jus gravy mix (about 1 oz / 28 g)
  • 4 tablespoons unsalted butter (56 g), cut into pats
  • 1 jar pepperoncini peppers (about 7 oz / 200 g), drained
  • 1/4 cup pepperoncini juice (60 ml)
  • Freshly ground black pepper, to taste
  • Optional: 1/2 teaspoon garlic powder or onion powder

Instructions

  1. Pat the chuck roast dry with paper towels. Trim any thick excess fat but leave some for flavor. Lightly season with freshly ground black pepper and optionally a sprinkle of garlic or onion powder. No salt needed.
  2. Place the roast in the slow cooker base. Sprinkle the entire packet of ranch seasoning evenly over the top, then do the same with the au jus gravy mix. Place 4 tablespoons of unsalted butter in pats on top of the roast.
  3. Scatter the drained pepperoncini peppers evenly over and around the roast. Pour about 1/4 cup of the pepperoncini juice over everything.
  4. Cover and set the slow cooker to LOW. Cook for 7-8 hours without lifting the lid.
  5. After 7 hours, test the roast by gently pulling with tongs or a fork. If it does not shred easily, continue cooking for another 30-60 minutes.
  6. Remove the roast carefully and shred it with two forks. Stir the shredded beef back into the pepperoncini sauce in the slow cooker.
  7. Optional: Add potatoes and carrots around the roast at the 3-4 hour mark if desired.

Notes

If your slow cooker runs hot and tends to dry out meat, add a splash of beef broth or water at the start. Let the roast rest for 10 minutes before shredding to redistribute juices. Resist lifting the lid during cooking to maintain heat. For dairy-free, substitute butter with plant-based alternative. Adding potatoes and carrots halfway through cooking makes a complete meal.

Nutrition

Keywords: Mississippi pot roast, slow cooker, pepperoncini, beef chuck roast, easy dinner, comfort food, crockpot recipe