Mississippi Pot Roast with Mushrooms

Mississippi Pot Roast is a beloved comfort food known for its tender, flavorful beef and tangy, savory ingredients like pepperoncini and ranch seasoning. But what happens when you add mushrooms into the mix? You get an even richer, more complex flavor profile that takes this already delicious dish to the next level.

In this version of Mississippi Pot Roast, mushrooms add earthiness and depth, enhancing the flavors of the roast without overwhelming it. Whether you’re a mushroom lover or just looking for a new twist, this version will quickly become a family favorite.


Why Add Mushrooms to Mississippi Pot Roast?

Mushrooms are a great addition to Mississippi Pot Roast for several reasons:

  • Umami Flavor: Mushrooms are packed with umami, the savory “fifth taste” that enhances the richness of the beef. This complements the tangy and spicy flavors of the pepperoncini and ranch seasoning.
  • Moisture: Mushrooms absorb the flavors of the roast and help maintain the moisture in the dish, making it even juicier.
  • Texture: Mushrooms provide a different texture compared to the tender beef, adding a satisfying bite that balances the dish.
  • Versatility: Mushrooms pair well with many of the other ingredients in Mississippi Pot Roast, like ranch seasoning, au jus gravy mix, and pepperoncini.

Ingredients for Mississippi Pot Roast with Mushrooms

To make this version of Mississippi Pot Roast, you’ll need the following ingredients:

  • 3-4 lb Chuck Roast (or any other cut of beef suitable for slow cooking)
  • 1 packet Ranch Dressing Mix
  • 1 packet Au Jus Gravy Mix
  • 1/2 cup Butter
  • 6-8 Pepperoncini Peppers (whole or sliced)
  • 1-2 cups Fresh Mushrooms (such as cremini, button, or portobello)
  • 1/2 cup Beef Broth or Water (optional, for added moisture)
  • Salt and Pepper (to taste)
  • Garlic Powder (optional, for extra flavor)

Instructions for Mississippi Pot Roast with Mushrooms

Step 1: Prepare the Roast

  • Trim the roast: If necessary, trim any excess fat from the chuck roast. This helps prevent the roast from becoming greasy and keeps the texture tender.
  • Season the roast: Rub the roast with salt, pepper, and garlic powder (if using) to add a base layer of seasoning.

Step 2: Sauté the Mushrooms (Optional)

While this step isn’t necessary, sautéing the mushrooms beforehand can help bring out their flavor and add a bit of texture.

  • Heat a little oil or butter in a pan over medium heat.
  • Slice the mushrooms and sauté them for about 5 minutes until they become tender and begin to release their moisture.
  • Remove them from the heat and set them aside.

Step 3: Set Up the Slow Cooker or Oven

You can make this recipe in a slow cooker, pressure cooker, or oven. Below are the instructions for each method:

  • Slow Cooker:
    1. Place the chuck roast in the slow cooker.
    2. Sprinkle the ranch seasoning and au jus gravy mix over the roast.
    3. Add the butter on top of the roast (cut it into chunks if you prefer).
    4. Add the pepperoncini peppers (whole or sliced), including the juice for extra flavor.
    5. Add the sautéed mushrooms on top of the roast.
    6. If you want to add extra moisture, pour in a small amount of beef broth or water (about 1/2 cup).
    7. Cover the slow cooker and cook on low for 8 hours or high for 4-5 hours. The roast should be fork-tender when done.
  • Pressure Cooker (Instant Pot):
    1. Set your Instant Pot to Sauté mode and brown the roast for about 5 minutes on each side.
    2. After browning, turn off the sauté mode and add the ranch seasoning, au jus mix, butter, pepperoncini peppers, and sautéed mushrooms.
    3. Add 1/2 cup of beef broth or water for steam.
    4. Seal the Instant Pot and set it to manual for 60-70 minutes on high pressure.
    5. Let the pressure naturally release for 10 minutes before manually releasing the remaining pressure.
  • Oven:
    1. Preheat the oven to 300°F (150°C).
    2. Place the chuck roast in a large oven-safe dish or Dutch oven.
    3. Sprinkle the ranch seasoning and au jus gravy mix over the roast.
    4. Add the butter, pepperoncini, and sautéed mushrooms.
    5. Cover with a lid or foil and cook for 3-4 hours until the roast is tender.

Step 4: Shred the Roast

Once the roast is cooked, remove it from the slow cooker, Instant Pot, or oven. Use two forks to shred the meat into bite-sized pieces. You can leave some of the juices and vegetables in the pot for extra flavor.

If you’re serving the roast with the mushrooms, make sure to stir them into the shredded beef. The mushrooms will have soaked up the flavors of the roast, and their earthy taste will complement the tangy pepperoncini and rich beef.


Step 5: Serve and Enjoy

Mississippi Pot Roast with mushrooms is incredibly versatile. You can serve it in many ways:

  • On Sandwiches: Place the shredded roast on a soft bun and top with cheese (such as provolone or mozzarella) for a delicious sandwich.
  • Over Mashed Potatoes: Spoon the roast and mushrooms over creamy mashed potatoes for a comforting meal.
  • With Rice: Serve it over white or brown rice for a complete meal.
  • With Vegetables: Pair it with roasted vegetables or a fresh salad to balance the richness of the roast.

Nutritional Information (Per Serving)

While exact nutritional values will depend on the specific ingredients you use, here’s an approximate breakdown for a basic serving of Mississippi Pot Roast with mushrooms:

NutrientAmount
Calories350-400
Protein45g
Fat22g
Carbohydrates5-7g
Fiber1g
Sodium600-800mg

Final Thoughts

Mississippi Pot Roast with mushrooms is a flavorful twist on the classic recipe that adds depth and umami to the dish. The mushrooms absorb the savory juices from the roast, enhancing the overall flavor while adding a satisfying texture. Whether you’re serving it on a sandwich, over mashed potatoes, or with vegetables, this version of Mississippi Pot Roast is sure to become a favorite in your meal rotation. Give it a try for your next family dinner, and enjoy the rich, comforting flavors!

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