Reader FavoriteSlow Cooker Pot Roast
Recipe Tested & Approved by Mia Hartwell
Every recipe is developed, cooked, and tested by Mia in a real home kitchen using everyday ingredients to ensure reliable, repeatable results.
A classic Sunday pot roast — chuck roast slow-cooked with potatoes and carrots until fall-apart tender in a savory gravy. Comfort food that practically cooks itself.
By Mia HartwellUpdated November 28, 2025
Developed using tested cooking methods — cook to the temperatures given and adjust times to your equipment.
Why you'll love this recipe
- Fall-apart tender Sunday pot roast
- A complete meal with potatoes and carrots
- Hands-off — the slow cooker does the work
- A rich, savory homemade gravy
Slow Cooker Pot Roast
9 hr 20 min totalServes 6
Nutrition (per serving)
Values are estimates. See our disclaimer for details.
- Calories
- 440kcal
- Protein
- 38g
- Carbs
- 26g
- Fat
- 21g
- Fiber
- 4g
- Sugar
- 5g
Step-by-Step Instructions
- 1
Pat the roast dry and season generously all over with salt and pepper.
- 2
Heat the oil in a skillet over medium-high and sear the roast on all sides until deeply browned, about 8 minutes total. Transfer to the slow cooker.
- 3
Add the onion, carrots, potatoes, and garlic around the roast.
- 4
Whisk the beef broth with the tomato paste, Worcestershire, rosemary, and thyme, and pour over.
- 5
Cover and cook on LOW for 8-9 hours or HIGH for 5-6 hours, until the beef shreds easily with a fork.
- 6
For gravy, whisk the cornstarch with 2 tbsp cold water, stir into the cooking liquid, and cook on HIGH 10-15 minutes until thickened.
- 7
Rest the roast a few minutes, then slice or shred and serve with the vegetables and gravy.
Pro Tips for the Best Results
- Searing the roast first develops a rich, browned crust that flavors the whole dish.
- Chuck roast is the best cut — its marbling and connective tissue turn tender and juicy when slow-cooked.
- Cut the vegetables into large chunks so they don't turn to mush over the long cook.
- LOW and slow gives the most tender, fall-apart roast.
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How to Cook Slow Cooker Pot Roast
New to this dish? Follow along with the detailed guide below — we break down each stage so you get perfect results the very first time.
Sear for a flavorful crust
Season the roast generously and sear it on all sides until deeply browned. This crust is packed with savory flavor that infuses the whole dish — skipping it leaves the roast tasting flat and gray.
Build the braise
Nestle the roast among large chunks of vegetables and pour over a seasoned broth. Cutting vegetables large keeps them from disintegrating during the long cook. Then cook low and slow until the beef shreds with a fork — this can take 8-9 hours, and that time is what makes it tender.
Make the gravy and rest
The flavorful cooking liquid becomes the gravy: thicken it with a cornstarch slurry, or reduce it on the stove. Let the roast rest briefly before slicing or shredding so the juices settle, then serve everything together.
Storage & Make-Ahead
Refrigerate leftovers in an airtight container for up to 4 days; reheat gently in the gravy. Pot roast freezes well for up to 3 months.
Serving Suggestions
This slow cooker pot roast pairs beautifully with a crisp green salad, crusty bread, or your favorite grain. Add a simple side of roasted vegetables for a complete, satisfying dinner the whole family will enjoy.
Frequently Asked Questions
Why is my pot roast tough?+
It usually needs more time, not less — tough collagen needs hours to break down. If it's not fork-tender, keep cooking. Lean cuts also stay tougher than chuck.
Can I make the gravy without cornstarch?+
Yes — use a flour slurry, or simmer the liquid uncovered to reduce and thicken naturally.
Can I add other vegetables?+
Parsnips, celery, or mushrooms all work; add quick-cooking vegetables later so they don't overcook.
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