My Fail-Proof Instant Pot Pot Roast (And a Secret for the Best Gravy!)

Tested By June Hart

Safety Review HACCP Nouhayla A.

Updated: January 3, 2026

Oh, the smell of a pot roast simmering away on a Sunday afternoon. I can still picture my grandmother’s kitchen, the windows steamed up, the whole house filled with that rich, beefy aroma. It was a promise of a wonderful meal to come, but goodness, it was an all-day affair! It felt like you had to plan your entire day around that pot on the stove.

These days, who has that kind of time? We want that same comforting flavor, that same fall-apart tender meat, but we need it to fit into our busy lives. And there’s nothing more disappointing than spending hours on a roast only to have it turn out a bit dry. Well, that’s where our trusty Instant Pot comes in. It’s not about taking shortcuts; it’s about being clever. It locks in all the moisture and flavor, doing in about an hour what used to take all afternoon.

Trust the process, my dears. With this method, you are going to get the most succulent, juicy pot roast you can imagine. And the gravy? Oh, the gravy is a story in itself! It’s rich and flavorful and comes together in minutes right in the same pot, thanks to a little trick I can’t wait to share with you. Let’s make some memories in our modern kitchens!

Classic Pot Roast with Gravy (Instant Pot)

The Rokig Editorial Team

A classic pot roast made wonderfully tender and quick in the Instant Pot, with a simple, savory gravy that tastes like it simmered all day.

Print Recipe

Ingredients

  

• 3-4 lb chuck roast
• 1 tbsp olive oil
• 2 tsp salt
• 1 tsp black pepper
• 1 large yellow onion thickly sliced
• 3 large carrots peeled and cut into 2-inch chunks
• 3 celery stalks cut into 2-inch chunks
• 4 cloves garlic minced
• 1 cup beef broth
• 1 tbsp balsamic vinegar
• 2 sprigs fresh thyme or 1 tsp dried

Instructions

 

• Pat the chuck roast completely dry with paper towels and season generously on all sides with salt and pepper.
• Set your Instant Pot to the “Sauté” function on high. Once it’s hot, add the olive oil. Carefully place the roast in the pot and sear for 3-4 minutes per side, until a deep brown crust forms. Do not skip this step; this is where the flavor begins! Remove the roast to a plate and set aside.
• Add the carrots and celery to the pot and sauté for 3-4 minutes, until they get a little color. Add the minced garlic and cook for another minute until fragrant.
• Pour in the beef broth and balsamic vinegar to deglaze the pot. Use a wooden spoon to scrape up all those wonderful browned bits from the bottom. Turn off the “Sauté” function.
• Now, here is the secret that makes all the difference: Place the seared roast back into the pot. Pile the sliced onions right on top of the roast, not underneath. This allows them to steam perfectly, becoming sweet and tender, and release their juices down over the meat as it cooks. Add the thyme sprigs.
• Secure the lid, make sure the steam release valve is set to “Sealing,” and cook on High Pressure for 50 minutes.
• Once the cooking time is up, let the pressure release naturally for 15 minutes. This is crucial for tender meat! After 15 minutes, you can perform a quick release for any remaining pressure.
• Carefully remove the roast and vegetables to a platter and tent with foil to keep warm.
• For the gravy, we won’t need any flour or cornstarch. The magic is already in the pot! Remove the thyme sprigs. Turn the “Sauté” function back on. Using a fork or a whisk, mash some of those beautifully soft, cooked onions directly into the pan juices. They will break down and instantly create a silky, flavorful gravy. Let it simmer for a few minutes to thicken to your liking. Season with more salt and pepper if needed.
• Slice the roast against the grain and serve immediately, generously smothered in that delicious gravy.

June’s Tips

If your chuck roast is larger (closer to 4 lbs), increase the cooking time to 60 minutes. The rule of thumb is about 15-20 minutes per pound.
Feel free to add 1 pound of baby potatoes along with the carrots and celery for a complete one-pot meal.

Why This Recipe Works (June’s “Why”)

You might wonder how this magic happens so quickly! It’s quite simple, really. The Instant Pot uses high pressure to create a very hot, steamy environment. This breaks down the tough connective tissues (the collagen) in a chuck roast much faster than simmering on a stove ever could, turning it into that melty, tender texture we all love. Searing the meat first creates a deep, caramelized flavor base through the Maillard reaction, and deglazing the pot ensures every bit of that flavor ends up in our final dish. The balsamic vinegar adds just a touch of acid to cut through the richness and brighten everything up. And putting the onions on top? That’s my little secret to let them steam-cook, making them extra sweet and the perfect natural thickener for our gravy.

June’s Tips for a Perfect Result

1. Don’t Crowd the Pot When Searing. If your roast is particularly large, it’s worth cutting it into two pieces to sear them properly. You need space for the hot air to circulate and create that beautiful brown crust. A gray, steamed roast just won’t have the same depth of flavor.
2. Always Let the Pressure Release Naturally. I know it’s tempting to hit that quick release valve, but patience is a virtue here. A sudden drop in pressure can cause the muscle fibers in the meat to tighten up, making it tough. That 15-minute natural release lets the meat relax and reabsorb its juices, guaranteeing a tender result.
3. Choose the Right Cut. This method is designed for tougher cuts with lots of connective tissue, like a chuck roast, brisket, or bottom round. Don’t be tempted to use a lean, expensive cut like a tenderloin; it would become dry and stringy under pressure.

Common Questions & Answers (FAQ)

Can I use a frozen roast for this recipe?

You certainly can, which is a lifesaver on busy days! You won’t be able to sear it, so you’ll miss a layer of flavor, but it will still be delicious. Simply add about 25-30 minutes to the high-pressure cooking time.

My gravy isn’t as thick as I’d like. What can I do?

First, don’t worry! You’ve done nothing wrong. The amount of liquid released can vary from roast to roast. The easiest fix is to just let it simmer on the “Sauté” setting for a few extra minutes. As the liquid evaporates, the gravy will reduce and thicken naturally. Mashing a few more of those cooked onions in will also help.

How should I store and reheat leftovers?

Leftover pot roast is a true gift! Store the sliced meat and the gravy together in an airtight container in the refrigerator for up to 4 days. Storing them together keeps the meat from drying out. To reheat, warm it gently in a saucepan over low heat or in the microwave until just heated through.

What to Serve With This Classic Pot Roast

This is a hearty main dish that pairs beautifully with simple, comforting sides. In our house, we almost always serve it with:

• Creamy, Fluffy Mashed Potatoes (to catch all that gravy!)
• Simple Steamed Green Beans with a squeeze of fresh lemon
• A crisp, simple garden salad with a light vinaigrette to balance the richness

I’m so excited for you to try this recipe! It’s one of my family’s absolute favorites for a comforting meal. Please come back and let me know how it turned out for you in the comments below. And if you have your own family secret for the perfect pot roast, I’d absolutely love to hear it!