Slow Cooker Pot Roast

Featured in: Family Comfort Meals

This comforting dish features beef chuck roast cooked slowly with onions, garlic, carrots, and celery, infused with herbs and rich broth. Served with creamy mashed potatoes made from Yukon Gold or Russet potatoes mixed with butter and milk, it creates a hearty, flavorful meal perfect for any occasion. The beef becomes fork-tender, while the vegetables and rich pan juices enhance the dish's depth. Garnish with fresh parsley for a bright finish.

Updated on Sat, 15 Nov 2025 14:26:00 GMT
Tender Slow Cooker Pot Roast resting on a bed of fluffy mashed potatoes, ready to be served. Save
Tender Slow Cooker Pot Roast resting on a bed of fluffy mashed potatoes, ready to be served. | pumpkinhearth.com

A classic comforting dish featuring tender beef pot roast slow-cooked with vegetables and rich gravy served alongside creamy mashed potatoes.

I still remember the first time I made this pot roast on a chilly fall weekend. The house filled with rich aromas as the roast simmered all day and everyone gathered eagerly around the table for a cozy meal.

Ingredients

  • Beef chuck roast: 3 lbs (1.4 kg)
  • Kosher salt: 1 tbsp
  • Black pepper: 1 tsp
  • Olive oil: 2 tbsp
  • Onion: 1 large, sliced
  • Garlic: 4 cloves, minced
  • Carrots: 4 large, peeled and cut into 2-inch pieces
  • Celery: 3 stalks, cut into 2-inch pieces
  • Beef broth: 2 cups (480 ml), use gluten-free if needed
  • Tomato paste: 2 tbsp
  • Worcestershire sauce: 1 tbsp, gluten-free if needed
  • Dried thyme: 1 tsp
  • Dried rosemary: 1 tsp
  • Bay leaves: 2
  • Potatoes: 2 lbs (900 g) Yukon Gold or Russet, peeled and cut into chunks
  • Unsalted butter: 4 tbsp
  • Whole milk: 1/2 cup (120 ml), plus more as needed
  • Salt: 1 tsp (plus more to taste for potatoes)
  • Black pepper: 1/2 tsp (plus more to taste for potatoes)
  • Fresh parsley: Chopped, for optional garnish

Instructions

Season the Roast:
Pat beef chuck roast dry and season all sides with salt and pepper.
Sear the Beef:
In a large skillet, heat olive oil over medium-high heat. Sear the roast on all sides until browned (about 3 minutes per side). Transfer to the slow cooker.
Add Vegetables:
Add onion, garlic, carrots, and celery around the roast in the slow cooker.
Mix Sauce:
In a bowl, whisk together beef broth, tomato paste, Worcestershire sauce, thyme, rosemary, and bay leaves. Pour over the roast and vegetables.
Cook:
Cover and cook on low for 8 hours, or until the beef is fork-tender.
Prepare Mashed Potatoes:
About 40 minutes before serving, place potatoes in a large pot and cover with cold water. Add 1 tsp salt. Bring to a boil, reduce heat, and simmer until very tender (15-20 minutes). Drain well and return to the pot. Add butter and milk; mash until smooth and creamy. Season with salt and pepper to taste. Add more milk if needed.
Finish & Serve:
Remove the roast from slow cooker and let rest 5 minutes. Discard bay leaves. Shred or slice beef. Serve pot roast and vegetables over mashed potatoes. Drizzle with pan juices and garnish with fresh parsley if desired.
Fork-tender Slow Cooker Pot Roast, slow-cooked vegetables, and rich gravy atop creamy mashed potatoes. Save
Fork-tender Slow Cooker Pot Roast, slow-cooked vegetables, and rich gravy atop creamy mashed potatoes. | pumpkinhearth.com

This dish brought the family together around the table, eager for seconds and warmed by tradition and good food on a Sunday night.

Serving Suggestions

Serve with a side of buttered green beans or roasted Brussels sprouts for a complete meal. A bold red wine like Cabernet Sauvignon pairs beautifully with this dish.

Storage & Reheating

Store leftovers in an airtight container in the fridge for up to three days. Reheat gently on the stovetop, adding a splash of broth as needed to keep the roast moist.

Variations

Try adding parsnips or mushrooms for extra flavor, or substitute sweet potatoes for a twist on the mash. Red wine can be swapped for a portion of the broth for deeper richness.

A close-up of the delicious Slow Cooker Pot Roast, perfect for a cozy, comforting American dinner. Save
A close-up of the delicious Slow Cooker Pot Roast, perfect for a cozy, comforting American dinner. | pumpkinhearth.com

Enjoy this classic pot roast for a meal that's both effortless and satisfying. It's sure to become a family favorite for cozy gatherings.

Recipe Q&A

How long does it take to cook the beef in the slow cooker?

The beef is cooked on low heat for about 8 hours until fork-tender and full of flavor.

Can I use other types of potatoes for the mashed side?

Yes, Yukon Gold potatoes yield creamy mashed potatoes, but Russet potatoes work well too and offer a slightly different texture.

How can I make the gravy thicker?

Remove half a cup of the cooking liquid, whisk with 1 tablespoon of cornstarch, then stir it back into the slow cooker and cook on high for 10 minutes.

Is it possible to add wine to enhance the flavor?

Yes, substituting half a cup of beef broth with red wine such as Cabernet Sauvignon adds richer flavor to the dish.

What herbs are used to season the pot roast?

Dried thyme, dried rosemary, and bay leaves are combined to infuse aromatic flavors into the slow-cooked beef and vegetables.

Slow Cooker Pot Roast

A comforting dish of slow-cooked beef with vegetables served alongside creamy mashed potatoes.

Prep duration
20 min
Time to cook
480 min
Time required
500 min
Created by Sarah Coleman


Skill required Easy

Cuisine origin American

Portions 6 Serves

Dietary info Free from gluten

What you'll need

Pot Roast

01 3 pounds beef chuck roast
02 1 tablespoon kosher salt
03 1 teaspoon black pepper
04 2 tablespoons olive oil
05 1 large onion, sliced
06 4 cloves garlic, minced
07 4 large carrots, peeled and cut into 2-inch pieces
08 3 celery stalks, cut into 2-inch pieces
09 2 cups gluten-free beef broth
10 2 tablespoons tomato paste
11 1 tablespoon gluten-free Worcestershire sauce
12 1 teaspoon dried thyme
13 1 teaspoon dried rosemary
14 2 bay leaves

Mashed Potatoes

01 2 pounds Yukon Gold or Russet potatoes, peeled and chunked
02 4 tablespoons unsalted butter
03 ½ cup whole milk
04 1 teaspoon salt
05 ½ teaspoon black pepper

Garnish

01 Chopped fresh parsley (optional)

Directions

Step 01

Season beef: Pat beef chuck roast dry and season evenly with kosher salt and black pepper on all sides.

Step 02

Sear roast: Heat olive oil in a large skillet over medium-high heat and sear roast on all sides until nicely browned, about 3 to 4 minutes per side. Transfer to slow cooker.

Step 03

Add vegetables: Arrange sliced onion, minced garlic, carrots, and celery around the roast in the slow cooker.

Step 04

Prepare cooking liquid: In a bowl, whisk together beef broth, tomato paste, Worcestershire sauce, dried thyme, rosemary, and bay leaves; pour evenly over roast and vegetables.

Step 05

Slow cook roast: Cover and cook on low setting for 8 hours, until beef becomes fork-tender.

Step 06

Cook mashed potatoes: About 40 minutes before serving, place peeled potatoes in a large pot, cover with cold water, add 1 teaspoon salt, bring to a boil, then reduce heat and simmer until tender, 15 to 20 minutes. Drain well.

Step 07

Mash potatoes: Return drained potatoes to pot, add butter and whole milk, and mash until smooth and creamy. Season with salt and black pepper to taste, adding more milk as needed for preferred consistency.

Step 08

Rest and slice roast: Remove roast from slow cooker and discard bay leaves. Allow to rest for 5 minutes, then shred or slice beef.

Step 09

Serve: Plate mashed potatoes, top with pot roast and vegetables, drizzle with pan juices, and garnish with fresh parsley if desired.

Gear Needed

  • Slow cooker (6-quart or larger)
  • Large skillet
  • Chef's knife and cutting board
  • Large pot
  • Potato masher or ricer
  • Measuring cups and spoons

Allergy warning

Read over each ingredient for allergies and check with your doctor when uncertain.
  • Contains dairy (butter, milk).
  • Worcestershire sauce may contain fish (anchovies).
  • Verify ingredient labels for gluten if not using gluten-free broth and sauce.

Nutrition details per portion

This is for reference only. Contact your healthcare provider about any concerns.
  • Calorie count: 520
  • Fat content: 23 g
  • Carbohydrate: 36 g
  • Proteins: 44 g