This pressure-cooked pot roast delivers tender beef and root vegetables while keeping carbs in check. The Instant Pot transforms tough cuts into fall-apart meat in a fraction of traditional cooking time.
I developed this method using chuck roast and low-carb vegetables like radishes and turnips, which absorb the rich beefy flavors beautifully. The result is a hearty meal that satisfies without compromising keto principles.
What emerges is melt-in-your-mouth beef with a deeply flavorful broth, all achieved through precise pressure cooking. Every bite delivers the comfort of classic pot roast with none of the guilt.
Perfect for Sunday dinner or meal prep, this dish proves keto eating can be both delicious and satisfying.
Ingredients for Keto Pot Roast Recipe Instant Pot
Chuck roast and keto-friendly veggies make this pressure-cooked classic hearty and satisfying.
| Ingredient | Amount | Notes |
|---|---|---|
| Chuck Roast 🥩 | 2 ½ lb | Cut into large chunks, well-marbled |
| Radishes 🌱 | 1 lb | Peeled and quartered |
| Turnips 🥔 | 1 lb | Peeled and cubed |
| Yellow Onion 🧅 | 1 whole | Diced into large pieces |
| Garlic Cloves 🧄 | 6 cloves | Smashed for robust flavor |
| Beef Broth 🥘 | 2 cups | Low-sodium preferred |
| Tomato Paste 🍅 | 2 tbsp | For depth of flavor |
| Apple Cider Vinegar 🍏 | 1 tbsp | Balances the richness |
| Olive Oil 🫒 | 2 tbsp | For searing the beef |
| Dried Thyme 🌿 | 1 tsp | Crushed to release aroma |
| Dried Rosemary 🌿 | 1 tsp | Crushed to release aroma |
| Bay Leaf 🍃 | 2 pieces | Whole, for infusion |
| Kosher Salt 🧂 | 1 ½ tsp | Divided for seasoning |
| Black Pepper 🌶️ | 1 tsp | Freshly cracked preferred |
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The chuck roast is non-negotiable here—look for well-marbled pieces at Costco or your local butcher. Radishes and turnips soak up the beefy flavors like potatoes but keep it keto. I grab mine from Whole Foods for the freshest options. The broth should be low-sodium (you can always add salt, but you can’t take it out). If using store-bought, Pacific Foods has a great beef bone broth.
No radishes? Rutabaga or celery root work just as well. Out of turnips? Daikon radish is a solid swap. Tomato paste can be swapped for sugar-free ketchup in a pinch, though the flavor’s a bit different. The vinegar can be any kind, but apple cider brings the right tang. If you’re missing fresh herbs, dried are fine at one-third the amount.
Leftovers keep 4-5 days in the fridge and freeze beautifully for 3 months. I portion into containers for easy grab-and-go lunches. The broth actually gets richer overnight (worth the wait).
Why You’ll Love This Recipe
- Set It and Forget: I toss everything in the Instant Pot, press a button, and dinner practically cooks itself.
- Rich and Savory: The chuck roast soaks up all the garlic and onion flavor, making every bite melt-in-your-mouth tender.
- Meal Prep Dream: I make a big batch on Sunday and portion it out for easy keto lunches all week.
- Budget Stretcher: Chuck roast is affordable, and this recipe turns it into a hearty meal that feeds my family for days.
Step-by-Step Instructions for Pressure-Cooked Beef with Root Veggies
This method delivers tender beef and perfectly cooked vegetables in your Instant Pot every time.
Step 1: Sear the Chuck Roast to Build Flavor
Set your Instant Pot to the Sauté function on Normal heat. Add the 2 tbsp Olive Oil and let it heat until shimmering. Pat the 2.5 lb Chuck Roast dry with paper towels, then season generously with 1 tsp Kosher Salt and 1 tsp Black Pepper (reserve the remaining ½ tsp Kosher Salt for later).
Sear the beef on all sides for 3-4 minutes per side until deeply browned. This step creates a flavorful fond that will enrich your sauce. Don’t rush—you want a dark brown crust on each surface before turning.
Step 2: Sauté Aromatics and Deglaze the Pot
Remove the chuck roast and set aside. To the pot, add the 1 whole Yellow Onion, 6 cloves Garlic Cloves, 1 tsp Dried Thyme, 1 tsp Dried Rosemary, and 2 pieces Bay Leaf. Sauté for 2-3 minutes until the onions begin to soften and the garlic becomes fragrant.
Stir in the 2 tbsp Tomato Paste and cook for 1 minute to deepen its flavor. Pour in the 1 tbsp Apple Cider Vinegar and ½ cup of the 2 cups Beef Broth, scraping the bottom of the pot to release all the browned bits. This deglazing step prevents burning and builds a rich sauce base.
Step 3: Pressure Cook the Beef and Vegetables
Return the seared chuck roast to the pot. Add the 1 lb Radishes, 1 lb Turnips, and the remaining 1½ cups Beef Broth. Secure the lid, set the valve to Sealing, and cook on High Pressure for 60 minutes.
The pressure cooking time transforms the chuck roast into fall-apart tender beef while perfectly cooking the radishes and turnips. These keto-friendly roots absorb the rich flavors of the beef and aromatics. Let the pressure release naturally for 10 minutes, then quick-release any remaining pressure.
Step 4: Shred and Serve
Carefully remove the lid and transfer the chuck roast to a cutting board. Using two forks, shred the beef into large chunks. The meat should pull apart easily with minimal effort, indicating it’s perfectly cooked.
Taste the cooking liquid and adjust seasoning with the reserved ½ tsp Kosher Salt if needed. Return the shredded beef to the pot and stir to combine with the vegetables and sauce. Let it sit for 5 minutes to allow the flavors to meld before serving hot.
Pro Tips For Making Keto Pot Roast Recipe Instant Pot
- Sear the Chuck First: I learned this the hard way—skipping the sear leaves your pot roast bland and pale. Use the Instant Pot’s sauté function to brown the chuck roast on all sides for 3-4 minutes per side with a little oil.
- Cut Radishes Evenly: Sounds weird, but it works: slice your radishes and turnips into uniform 1-inch chunks so they cook at the same rate as the meat. Nothing worse than mushy turnips and crunchy radishes.
- Deglaze Thoroughly: After searing, pour in a splash of beef broth and scrape the bottom hard to release all those browned bits. This isn’t just cleanup—it’s where the deep flavor hides.
- Use Enough Liquid: My first few batches came out dry because I skimped on liquid. Add at least 1 cup of broth or water to guarantee enough pressure and prevent the “burn” error.
Make-Ahead Tips for This Dish
Overnight Prep
I always prep my veggies the night before—peel and chop the 1 lb Radishes and 1 lb Turnips, then store them in cold water in the fridge. This saves 20 minutes on cooking day and keeps the roots crisp. 💡
Morning Searing
If cooking for dinner, sear the 2.5 lb Chuck Roast in the morning on Sauté mode. Let it cool, then refrigerate with the aromatics in the pot. When ready, just add the broth and pressure cook as usual.
Broth Boost
For deeper flavor, make the 2 cups Beef Broth a day ahead. I use Pacific Foods bone broth from New Seasons Market—it’s rich and low-sodium. Store in the fridge until ready to use.
Freezer Meal
Double the recipe and freeze half for later. Portion into airtight containers with the cooking liquid—it’ll keep for 3 months. Thaw overnight in the fridge before reheating.
Reheating Tip
To reheat, transfer to the Instant Pot with a splash of water, then Sauté for 5-7 minutes until bubbling. The flavors taste even better the next day, trust me!
Garnish Prep
Chop fresh parsley or green onions the night before. Store wrapped in a damp paper towel to keep them fresh. Sprinkle over the dish just before serving for a pop of color. 🌿
Nutrition Facts
Frequently Asked Questions
Can I use a different cut of beef?
Stick with tough, marbled cuts like brisket or short ribs for best results. Avoid lean cuts like sirloin as they can dry out. The fat content is key for tender results.
Why use radishes instead of potatoes?
Radishes mimic potatoes’ texture while keeping carbs low. They absorb flavors well and hold up to pressure cooking. 1 cup of radishes has only 4g net carbs vs 20g in potatoes.
What if my Instant Pot says “burn”?
This usually means food stuck to the bottom. Release pressure, add ½ cup more broth, and scrape the pot. Always deglaze thoroughly after searing.
Can I cook this for less time?
For fall-apart tender meat, 60 minutes is ideal. Reducing to 45 minutes works if slicing, but the texture won’t be as melt-in-your-mouth.
Trained in classic French technique but raised on slow-cooked ribs and spicy rubs, she blends culinary skill with smoke and soul.
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