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Instant Pot Mississippi Roast (no packets)

  • Prep Time: 15 minutes
  • Cook Time: 60 minutes (plus natural pressure release)
  • Total Time: 1 hour 15 minutes
  • Yield: 8 servings 1x


With just a handful of ingredients and an hour in the instant pot you can make the best roast of your life. This particular recipe has no packets of ranch or au jus like the original recipe calls for.  The meat is slightly spicy and infused with flavor. This roast is perfect served with mashed potatoes or on a crusty roll as a sandwich. 


  • 2 pounds chuck roast or cross rib roast
  • 1/4 cup butter, divided
  • 1/2 cup water
  • 1 Tbsp Better than Bouillon Beef Base*
  • 1/2 cup pepperoncini juice
  • 5 pepperoncinis
  • 1 tsp kosher salt
  • 1 tsp onion powder
  • 1 tsp garlic powder
  • 1/4 tsp dried thyme
  • 1/4 tsp black pepper


  1. Turn your instant pot to the saute function (more setting). Let the pot heat up until it says HOT.
  2. While the pot is heating up, cut your roast in half (lengthwise). When the pot is hot add in 2 Tbsp of butter, let it melt. Then add in the roast pieces and let each piece brown for 5 minutes on each side. Do not move the roast while it is browning. After it has browned remove the roast and place it on a plate.
  3. Deglaze the pot with the water. Then add in the Better than Bouillon and dissolve it in the water. Add in the pepperoncini juice.
  4. Add the roast back into the pot. Nestle the pepperoncinis around the roast. Add in the additional 2 Tbsp of butter. Sprinkle the roast with the salt, onion powder, garlic powder, thyme and black pepper.
  5. Cover the Instant Pot and secure the lid in place. Make sure valve is set to “sealing.” Set the manual button (or pressure cook button) to 60 minutes on high pressure.
  6. After the 60 minutes is up let the pot sit there for another 15-20 minutes so the pressure can release naturally. If there is still pressure in the pot after 20 minutes move the valve to “venting” to remove remaining pressure.
  7. Remove the roast and place on a cutting board. Shred the roast and return to the pot. Stir it in with the juices.
  8. We like to serve this roast as a sandwich on a crusty roll or with mashed potatoes.


I used my 6 quart Instant Pot Duo 60 7 in 1*.

Roast–there are lots of types of roasts out there. However, for this recipe I recommend using a chuck roast or a cross rib roast. Luckily these cuts of meat seem to go on sale every month or so. I find mine usually at Kroger for about 2.99-3.99 per pound.

Better than Bouillon–I have really come to love and appreciate Better than Bouillon products* lately. I used the beef base in this recipe. I buy mine in a large container at Costco and it stays good in my fridge for a very long time.

Pepperoncinis–you can find these small pickled yellow/green peppers next to the pickles. They do add a bit of spice to the dish but it is not overwhelming. My 9-year-old ate the roast with no problems.

  • Category: Beef
  • Method: Instant Pot