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Instant Pot Mississippi Pot Roast

This is the BEST Instant Pot Mississippi Pot Roast recipe! Tender, melt in your mouth beef with a slight kick from the peppers. And it's ready and on the table in just over an hour.

Made with chuck or tip roast, pepperoncini peppers, powdered ranch dressing mix, beef broth, oil, and garlic. Simple ingredients with tons of flavor!

Mississippi Pot Roast served in white casserole.

Why You Will Love This Recipe

  • Fork tender Pot Roast that is juicy and flavorful.
  • One of the BEST comfort food meals.
  • Since it’s prepared in the Instant Pot it doesn't take hours to cook and can be enjoyed during the week.
  • It's even better the next day. Makes the most delicious leftovers.

What Is So Great About The Instant Pot?

The Instant Pot and Slow Cooker are my two favorite kitchen appliances. I grew up watching my mom use a Pressure cooker and when the Instant Pot first came out I was a little intimidated by it. But it's truly an easy appliance to use that is well worth the counter space.

With an Instant Pot you can cook meat from frozen. It cooks faster than the slow cooker and the meat is still perfectly tender.

Another great feature is the sauté function which allows you to brown your meat and sauté vegetables in the pot. Less dishes to wash.

Mississippi Pot Roast in white plate served over mashed potatoes.

A few of my favorite Instant Pot recipes are this Instant Pot BBQ Pulled Pork, Instant Pot Chicken Burrito Bowls, and Instant Pot Steamed Crab Legs. And for dessert try this Instant Pot Cherry Cheesecake.

Ingredient List

See printable recipe card below for all ingredients, specific measurements, and complete instructions.

Pot Roast Ingredients on marble counter.
  • Chuck roast or Sirloin Tip Roast - Choose a marbled cut of meat for the best flavor. Chuck roast is one of the top choices for pot roast and another great choice is Sirloin Tip Roast.
  • Pepperoncini peppers and the juice- Jarred whole pepperoncini peppers and their juice give it a mild tanginess and add so much flavor to the roast.
  • Red onions - Adds subtly sweet and mild flavor.
  • Olive oil - Used to brown the roast.
  • Seasonings - Powdered ranch dressing mix, minced Garlic, fresh chives and dill, salt and pepper.
  • Beef broth - You can use low sodium if you are watching your sodium intake.
  • Salted butter - Use real butter not margarine. Butter adds a richness to the flavor of the sauce.

How To Make Instant Pot Mississippi Pot Roast

  1. Dry the roast with a paper towel and sprinkle it with salt and pepper.
  2. Select the sauté button on the Instant Pot.  Add the oil to the cooker and allow to warm.
  3. Add the roast and brown all sides of it.  This process takes about 7-10 minutes.  Remove the roast from the cooker
  4. Next add the onions and garlic to the cooker.  Continuously stir while cooking until just softened, about 5 minutes.  Once done, press Cancel.
  5. Pour in half the beef broth and deglaze the bottom of the Instant Pot by scraping the bottom with a wooden spoon or spatula to prevent getting the “Burn” message.
  6. Add the roast, peppers, remaining beef broth, butter and ranch dressing to the onions in the cooker.  Place the lid of the Instant Pot on and turn the steam gauge to the Sealing position. 
  7. Select Manual or Pressure Cook button and set the time to 55 minutes.  It will take about 10 minutes to come up to pressure before the timer will start.
  8. Cook until the timer goes off and allow the pressure to release naturally.  This will take about 10 minutes.
  9. Remove lid and remove the roast.  Add the chives, dill and the pepperoncini juice and stir.
  10. Add the roast back in to the Instant Pot and using a fork, shred the beef into large chunks. Stir it into the juices and serve over mashed potatoes or egg noodles.
Roast Beef in Instant Pot ready to serve.

Food Safety

Per the USDA guidelines you should: "Cook raw beef, pork, lamb and veal steaks, chops, and roasts to a minimum internal temperature of 145 F as measured with a food thermometer before removing meat from the heat source. For safety and quality, allow meat to rest for at least three minutes before cutting or consuming."

Recipe Tips

  • Chuck roast is one of the most commonly used cuts of beef for this recipe however a Sirloin tip roast (also called a round tip roast) or blade roast will do as well. This recipe makes the beef very, very tender so the cut can be almost anything.
  • Always sear your pot roast in a little but of oil to seal in the delicious juices.
  • To reduce the salt you can use unsalted butter and low sodium beef broth.
  • Make sure you use whole Pepperoncini's. They work best for the recipe cook time and picky eaters can easily remove them.

How to Store Leftovers

Refrigerator: You can store leftovers in an airtight container in your refrigerator for up to 3 days.

Freezer: To freeze allow the pot roast to cool before placing in a freezer safe Ziplock bag or an air-tight container that is freezer safe. Freeze for up to 2 months.

How To Use Leftovers

Leftovers can be used to make a hearty soup or shredded in tacos, enchiladas or burritos and they make great roast beef sandwiches and sliders.

Mississippi Pot Roast on white plate on top of Mashed Potatoes.

Serving Suggestions

There are lots of side dishes that go well with Pot Roast. A few of my favorites are Cheesy Garlic Mashed Potatoes, Corn On The Cob, and Southern Green Beans. And I always have these Buttery Homemade Dinner Rolls to help scoop up some of the delicious sauce from the roast.

Helpful Supplies and Tools

Here are a few items that I recommend and use in my kitchen that are helpful when cooking. (Affiliate links).

If you use your Instant Pot a lot I recommend getting this accessory kit that is compatible with the 6 and 8 quart Instant Pot. It comes with a steamer basket, egg rack, egg bites mold, springform pan and so much more!

If you sauté in the Instant Pot or use it as a slow cooker this Instant Pot Tempered Glass Lid is perfect. I have it and use it frequently.

I love this 3-Quart CorningWare Oblong Dish for serving Pot Roast. It has built in handles so it's easy to take in and out of the oven and transfer to the table for serving.

Mississippi Pot Roast served in white casserole dish.

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I hope you enjoy this easy Instant Pot Mississippi Pot Roast! If you try this recipe, please come back and rate the recipe and leave me a comment below. I love to hear from you!

Mississippi Pot Roast served in white casserole.

Instant Pot Mississippi Pot Roast

Author: Judy Wilson
This is the BEST Instant Pot Mississippi Pot Roast recipe! Tender, melt in your mouth beef with a slight kick from the peppers. And it's ready and on the table in just over an hour.
Prep Time 10 minutes
Cook Time 55 minutes
Wait Times 20 minutes
Course Main Course
Cuisine American
Servings 6

Ingredients
  

  • 3 Ibs chuck roast or sirloin tip roast
  • 1 cup jarred pepperoncini peppers
  • 2 Tablespoons pepperoncini juice
  • 2 medium red onions, quartered
  • 2 Tablespoons Olive oil
  • 3 large garlic cloves, minced
  • 1 teaspoon salt
  • 1 Tablespoon pepper
  • ¼ cup beef broth
  • 1 ounce packet Dry Ranch Dressing Mix
  • 2 Tablespoons salted butter
  • 1 Tablespoon fresh chives, chopped
  • 1 Tablespoon fresh dill, chopped

Instructions
 

  • Dry the roast with a paper towel and sprinkle it with salt and pepper.
  • Select the sauté button on the Instant Pot.  Add the oil to the cooker and allow to warm.
  • Add the roast and brown all sides of it.  This process takes about 7-10 minutes.  Remove the roast from the cooker
  • Next add the onions and garlic to the cooker.  Continuously stir while cooking until just softened, about 5 minutes.  Once done, press Cancel.
  • Pour in half the beef broth and deglaze the bottom of the Instant Pot by scraping the bottom with a wooden spoon or spatula to prevent getting the “Burn” message.
  • Add the roast, peppers, remaining beef broth, butter and ranch dressing to the onions in the cooker.  Place the lid of the Instant Pot on and turn the steam gauge to the Sealing position. 
  • Select Manual or Pressure Cook button and set the time to 55 minutes.  It will take about 10 minutes to come up to pressure before the timer will start.
  • Cook until the timer goes off and allow the pressure to release naturally.  This will take about 10 minutes.
  • Remove lid and remove the roast.  Add the chives, dill and the pepperoncini juice and stir.
  • Add the roast back in to the Instant Pot and using a fork, shred the beef into large chunks. Stir it into the juices and serve over mashed potatoes or egg noodles.

Notes

Store in Refrigerator: You can store leftovers in an airtight container in your refrigerator for up to 3 days.
Freezer: To freeze allow the pot roast to cool before placing in a freezer safe Ziplock bag or an air-tight container that is freezer safe. Freeze for up to 2 months.
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