Why This Recipe Works

One pot, one button: Sear, simmer, and steam vegetables in the same insert—no extra skillets.
60-minute magic: Chuck roast that usually braises for hours is done in under an hour.
Whole30 compliant: No wine, soy, or refined sugar—just real food flavor.
Gravy without flour: A quick reduction plus arrowroot creates silky, spoon-coating goodness.
Meal-prep hero: Leftovers reheat beautifully and even stuff sweet-potato boats for lunch.
Freezer friendly: Portion the cooled roast and veggies into silicone bags for up to 3 months.
Family-approved: Kids taste buttery potatoes, adults savor the rosemary-balsamic depth.

Ingredients You'll Need

A humble pot roast is only as good as what you put in—skip the pre-cut “stew meat” and reach for a well-marbled chuck roast. Fat equals flavor and keeps the lean muscle fibers lubricated under pressure. If you can, buy from a butcher who ages beef; the collagen breakdown during dry-aging means even silkier results. For Whole30 compliance, double-check that your stock is sugar-free and your balsamic vinegar contains zero caramel coloring or added sulfites. Little label reads like these make the difference between a reset-friendly meal and accidental slip-ups.

Chuck roast (3½–4 lb): Look for a thick, uniform rectangle so it cooks evenly. A grass-fed roast may be slightly leaner; reduce cook time by 5 minutes to prevent dryness.

Avocado oil (2 Tbsp): Neutral, high-smoke-point, and rich in monounsaturated fat. Olive oil works but can taste bitter under high heat.

Yellow onion (1 large): Provides the aromatic base. Dice small so they practically melt into the gravy.

Garlic (6 cloves): Smashing cloves releases allicin, the compound that gives that soulful, savory backbone.

Beef bone broth (2 cups): Homemade is gold, but Kettle & Fire or Bonafide Provisions are stellar compliant brands.

Balsamic vinegar (¼ cup): Adds subtle sweetness without sugar. Reduce it briefly for deeper color.

Tomato paste (2 Tbsp): Umami booster; caramelize it for 30 seconds before deglazing to remove any tinny taste.

Carrots (1 lb): Choose medium-width; if they’re pencil-thin, add after pressure release to prevent mush.

Baby potatoes (1½ lb): Yukon golds stay creamy; red potatoes hold shape. Sweet potatoes are delicious but will disintegrate under pressure.

Fresh herbs: Rosemary and thyme infuse the cooking liquid; add a bay leaf for subtle earthiness.

How to Make Whole30 Instant Pot Pot Roast with Carrots and Potatoes

Pat, season, and rest

Remove roast from fridge 30 minutes prior so it cooks evenly. Blot moisture with paper towels; a dry surface encourages browning. Combine 1 Tbsp coarse salt, 2 tsp black pepper, 1 tsp smoked paprika, and ½ tsp onion powder. Rub generously over all sides. Let seasoned meat rest while you prep vegetables—this simple pause improves crust formation.

Activate sauté and sear

Set Instant Pot to “Sauté – High.” When the display reads “Hot,” add avocado oil. Lay roast in; don’t nudge for 4 minutes. Once deeply caramelized, flip and sear the second side. Transfer to a plate. The brown bits (fond) sticking to the insert are liquid gold—do not wash them away.

Build the aromatic base

Add diced onion to rendered fat. Cook 3 minutes, scraping. Stir in garlic for 30 seconds, then tomato paste for another 30. The paste will darken from bright red to brick—this caramelization removes raw acidity.

Deglaze and flavor liquid

Pour in balsamic vinegar plus ½ cup broth. Scrape with a flat wooden spoon until the bottom feels smooth. Stir in remaining broth, rosemary, thyme, and bay leaf. Return roast (and any juices) to the pot, fattier side up; liquid should come halfway up the meat.

Pressure cook

Close lid, seal valve. Select “Pressure Cook – High,” 55 minutes for a 3½-inch thick roast. The pot will take ~10 minutes to reach pressure. After cook time ends, let natural release 15 minutes, then quick-release remaining steam.

Add vegetables and finish

Transfer roast to a carving board; tent loosely. Skim excess fat if desired. Add carrots and potatoes to the insert. Seal again, “Pressure Cook – High” 4 minutes, quick-release immediately. This staged cooking keeps veggies intact yet tender.

Create gravy (optional but dreamy)

Set pot to “Sauté – Medium.” Ladle ½ cup hot liquid into a small bowl; whisk in 1½ tsp arrowroot starch until smooth. Pour slurry back into the pot, stirring. Simmer 2–3 minutes until glossy. For Whole30, arrowroot is compliant; cornstarch is not.

Slice or shred and serve

Chuck roast should yield easily to gentle fork pressure. Slice against the grain into thick planks or shred with two forks for a French-dip vibe. Arrange on a platter, surround with carrots and potatoes, and ladle over that glossy gravy. Garnish with chopped parsley for color.

Expert Tips

Use a probe thermometer

Insert an instant-read horizontally through the thickest part after natural release. You’re aiming for 200–203 °F for maximum collagen breakdown.

Deglaze thoroughly

Any browned specks left stuck can trigger the dreaded “Burn” notice during pressure cooking. Scrape until the spoon glides.

Size matters

If your roast is thicker than 4 inches, increase cook time by 10 minutes. A 2½-lb roast cooks in 45 minutes.

Chill before cubing

If you plan to cube leftover meat for hash, refrigerate overnight; cold slices are cleaner to dice.

Variations to Try

Mushroom medley: Swap half the potatoes for quartered cremini and shiitake; they release earthy juices that enrich the gravy.
Smoky Southwest: Replace paprika with chipotle powder, add a 14-oz can fire-roasted tomatoes, and finish with cilantro.
Italian farmhouse: Use ghee instead of avocado oil, add 2 tsp dried oregano and a strip of orange zest; serve with gremolata.
Green veggie boost: Stir in 4 cups baby spinach after pressure release; the residual heat wilts leaves perfectly.
Low-starch: Sub potatoes with wedges of turnip and parsnip for a lower-carb but equally comforting meal.

Storage Tips

Refrigerate: Cool completely, then transfer to airtight containers with some gravy to keep meat moist. Store up to 4 days.

Freeze: Portion into shallow silicone bags, press out air, label, and freeze flat up to 3 months. Thaw overnight in fridge.

Reheat: Warm gently in a covered skillet with a splash of broth over medium-low heat; microwave works but can toughen meat if overheated.

Make-ahead: Cook roast and carrots up to 2 days early; reheat with freshly cooked potatoes for company-fresh texture.

Frequently Asked Questions

Yes, but you’ll sacrifice the sear that layers flavor. Add 25 minutes to cook time and place the frozen block on a trivet so the bottom doesn’t scorch. After cooking, remove, slice into large chunks, return to pot, and pressure 5 more minutes.

Reduce the sauce on “Sauté” until it coats a spoon, or whisk in a second slurry of 1 tsp arrowroot with 1 Tbsp cold water. Simmer 1 minute.

Brisket point or bottom round work, but will be slightly drier. Slice across the grain very thin and serve with extra gravy.

Nope! Skin-on baby potatoes hold their shape and add fiber. Just scrub well and remove any eyes or green spots.

Only if your Instant Pot is 8-quart; keep meat in a single layer or cook time will increase dramatically. Do not fill past the ⅔ max line.

Potatoes push carbs too high for strict keto. Replace them with radishes or cauliflower florets and you’ll land closer to keto macros.

Whole30 Instant Pot Pot Roast with Carrots and Potatoes

Why This Recipe Works

Ingredients You'll Need