Our family loves a classic roast dinner, and we are always looking for more simple and hearty recipes, that don't break the budget, and this Crockpot Mississippi Pot Roast delivers big time! We're breaking down the best secrets to making a -flavorful roast dinner that we have perfected from making this dish for our family hundreds of times. It is our go-to or new baby meal train dinner, since it makes good leftovers and is so simple to prepare.

This roast doesn't even require pre-browning, so it is lightning quick to prepare – add to a slow cooker, set it, and go about your day. When you come back at night, shred the roast, serve, and enjoy!

At Avdaye, we add lots of tips in all of our recipes – because we are a home cook without any formal training, and we find we are more confident making dishes when we understand why it works, and what each ingredient means to the flavor of a recipe. Our goal is for even the most beginner home cook to feel empowered in the kitchen.

Crock Pot Mississippi Roast

Mississippi roast is a simple rich and slightly tangy pot roast that is incredibly quick and easy to prepare – add ingredients and set the timer for a good dinner.

Crockpot Mississippi Pot Roast Ingredients

First assemble the following ingredients:

Chuck Roast – A well-marbled chuck roast becomes incredibly tender and flavorful as it slowly cooks, making it the ideal cut for Mississippi Pot Roast.
Ranch Dressing Packet – Ranch seasoning adds a savory blend of herbs, garlic, onion, and tangy flavor that gives the roast its signature taste.
Aus Jus Gravy Packet – The au jus mix provides rich beefy depth and helps create a good, savory cooking liquid.
Butter ( 1 stick ) – Butter melts into the roast as it cooks, adding richness and helping create a silky, flavorful sauce.
Pepperoncini peppers ( 1 cup ) – Pepperoncini peppers add a mild tanginess and subtle heat that balances the richness of the beef and butter.

Steps to Make Mississippi Pot Roast

Combine. Add all ingredients to slow cooker in order listed. Add lid and set to high. Cook 8 hours until roast shreds with light pressure with a fork.

Finish and serve. Shred and serve. If desired, gravy can be blended and thickened with 1 tbsp flour to serve over roast.

Kitchen notes

How to make this Mississippi Roast Recipe in the Instant Pot. To convert this recipe to be a good Instant Pot Mississippi Roast, follow these tips:

Add all ingredients to the instant pot (save the butter for the top).
Set instant pot to seal and cook on high pressure for about 80 minutes.
Let release naturally.
If your roast is over 4 pounds, we suggest increasing cook time to 90 minutes.

Freeze Mississippi Roast. We like to freeze this roast in large plastic bags and press all the air out of them. To reheat put the bag in the freezer overnight then reheat in the microwave or heat as you like.

Remove Roast. For a richer sauce, remove the roast when finished and whisk the juices together before serving to fully incorporate the butter and seasonings.

Tenderize. If your roast is tough, it likely needs more time—chuck roast becomes tender only after the connective tissue has fully broken down during slow cooking.

Whole Pepper. Use whole pepperoncini peppers for milder flavor, or add a splash of pepperoncini brine for extra tang and a little more kick.

Cook Low and Slow. Cook on low whenever possible for the most tender, fall-apart texture—high heat can sometimes make the roast less juicy. Avoid lifting the lid frequently since each peek releases heat and can extend the cooking time.

Shred in the Pot. Shred the meat directly in the slow cooker during the last 15–20 minutes so it can soak up all the flavorful juices.

Serve it with

Mississippi roast is good with classic Sunday roast sides like mashed potatoes, green beans, salad, french fries, and other family loved classics.

Try side dishes like Garlic Chinese Style Green Beans Slow Cooker Mashed Potatoes Khachapuri Georgian Cheese Bread Pan Fried Brussels Sprouts with Ghee The Best Oven Roasted Garlic Parmesan Asparagus Recipeand Pan Roasted Butter Carrots.

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Southern Pot Roast FAQs

What cut of beef is best for Mississippi roast?

Chuck roast is the traditional and most popular choice because it becomes tender and juicy after slow cooking. Rump roast or brisket can also work well.

Can we use frozen roast in the slow cooker?

For food safety reasons, it's best to thaw the roast completely before placing it in the slow cooker.

Can we make Mississippi roast without pepperoncini peppers?

Yes. While pepperoncini peppers add the signature tangy flavor, you can leave them out or substitute banana peppers if preferred.

Can we make this recipe in an Instant Pot?

Yes. Sear the roast using the sauté function, then pressure cook on high pressure for about 60–70 minutes with a natural release

Is Mississippi roast spicy?

No. Pepperoncini peppers provide a mild tangy flavor rather than significant heat, making this dish family-friendly.

How do we store leftovers?

Store cooled leftovers in an airtight container in the refrigerator for up to 4 days.

How do we keep the roast from drying out?

Cook on low when possible and avoid opening the lid frequently. Keeping the roast partially submerged in the cooking juices helps maintain moisture.

Can we prepare Mississippi roast ahead of time?

Yes. Assemble all ingredients in the slow cooker insert or a storage bag the night before and refrigerate until ready to cook the next day.

Ingredients

3 lb chuck roast, 2-4 pound roast
1 packet ranch dressing mix
1 packet au jus gravy mix
1 cup pepperoncini peppers
4 oz butter

Method

Add all ingredients to slow cooker in order listed.
Add lid and set to high.
Cook 8 hours until roast shreds with light pressure with a fork.
Shred and serve.
If desired, gravy can be blended and thickened with 1 tbsp flour to serve over roast.