Slow Cooker Pot Roast

Featured in: Family Sharing Plates

This comforting dish features a chuck roast seasoned with salt and pepper, seared to lock in flavor, then slow-cooked alongside onions, garlic, carrots, and celery. A blend of beef broth, tomato paste, herbs, and Worcestershire sauce adds depth to the rich gravy. Served with creamy mashed Yukon Gold potatoes enhanced with butter and milk, this hearty combination creates a satisfying meal perfect for family dinners or special occasions.

Updated on Tue, 11 Nov 2025 10:40:00 GMT
Tender Slow Cooker Pot Roast with vegetables and rich gravy, served beautifully over creamy mashed potatoes. Save
Tender Slow Cooker Pot Roast with vegetables and rich gravy, served beautifully over creamy mashed potatoes. | cookinget.com

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

I love preparing this pot roast on chilly weekends: it fills the house with a wonderful aroma and always brings the family together for a cozy meal.

Ingredients

  • Beef chuck roast: 3 lbs (1.4 kg), provides tender meat when slow-cooked
  • Kosher salt: 1 tbsp, for seasoning
  • Black pepper: 1 tsp, adds mild heat
  • Olive oil: 2 tbsp, used for searing
  • 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), gluten-free if needed
  • Tomato paste: 2 tbsp, adds depth
  • Worcestershire sauce: 1 tbsp, gluten-free if needed
  • Dried thyme: 1 tsp
  • Dried rosemary: 1 tsp
  • Bay leaves: 2
  • Yukon Gold or Russet potatoes: 2 lbs (900 g), peeled and cut into chunks
  • Unsalted butter: 4 tbsp
  • Whole milk: ½ cup (120 ml), plus more as needed
  • Salt: 1 tsp (for potatoes)
  • Black pepper: ½ tsp (for potatoes)
  • Optional garnish: Chopped fresh parsley

Instructions

Season and Sear Beef:
Pat roast dry and season with kosher salt and black pepper. Sear all sides in olive oil over medium-high heat until browned (3 to 4 minutes per side); transfer to slow cooker.
Add Vegetables:
Place onion, garlic, carrots, and celery around the beef in the slow cooker.
Add Liquid and Herbs:
Whisk together beef broth, tomato paste, Worcestershire sauce, thyme, rosemary, and bay leaves. Pour mixture over the roast and vegetables.
Slow Cook:
Cover and cook on low for 8 hours, until beef is fork-tender.
Prepare Mashed Potatoes:
About 40 minutes before serving, cover potatoes with cold water in a large pot and add salt. Bring to a boil, simmer until tender (15 to 20 minutes), drain and return to pot, add butter and milk and mash until creamy. Season with salt and pepper: add more milk for desired consistency.
Finish Pot Roast:
Remove roast, rest for 5 minutes, discard bay leaves, then shred or slice beef.
Serve:
Serve beef and vegetables over mashed potatoes, drizzle with pan juices and garnish with parsley if desired.
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This recipe is especially meaningful to our family: it's my grandmother's favorite comfort meal for relaxing Sunday dinners, and everyone looks forward to gathering around the table for second helpings.

Required Tools

You'll need a slow cooker (6-quart or larger), a large skillet, chef knife and cutting board, a large pot, potato masher or ricer, and measuring cups and spoons for easy prep and serving.

Allergen Information

This dish contains dairy (butter, milk): always verify labels for allergens in broth and Worcestershire sauce if you require gluten-free or fish-free options.

Nutritional Information

Each serving provides about 520 calories, with 23 g total fat, 36 g carbohydrates, and 44 g protein—a balanced main dish for most diets.

A steaming bowl of comforting Slow Cooker Pot Roast, with fall-apart beef and fluffy potatoes, ready to enjoy. Save
A steaming bowl of comforting Slow Cooker Pot Roast, with fall-apart beef and fluffy potatoes, ready to enjoy. | cookinget.com

Drizzle any extra pan juices over the plated roast and potatoes before serving. Enjoy leftovers the next day for a tasty lunch.

Recipe FAQs

What cut of beef is best for slow cooking?

Beef chuck roast is ideal for slow cooking due to its marbling and connective tissues that break down, resulting in tender, flavorful meat.

How do I achieve creamy mashed potatoes?

Use Yukon Gold or Russet potatoes boiled until tender, then mash with butter and milk, adjusting the liquid for smooth, creamy texture.

Can I prepare this dish ahead of time?

Yes, slow cooking can be done in advance, and the pot roast often tastes even better after resting overnight in the refrigerator.

How do I thicken the gravy from the cooking liquid?

Remove some cooking liquid, whisk it with cornstarch, then stir back into the slow cooker and cook on high for 10 minutes for a thicker gravy.

What herbs complement the slow-cooked pot roast?

Dried thyme, rosemary, and bay leaves add aromatic flavors that enhance the richness of the beef and vegetables.

Slow Cooker Pot Roast

Tender beef chuck slow-cooked with vegetables and served with creamy mashed potatoes for comforting flavorful meals.

Prep Duration
20 minutes
Time to Cook
480 minutes
Overall Time
500 minutes
Recipe by Sophie Daniels


Skill Difficulty Easy

Cuisine American

Output 6 Portion Count

Diet Preferences No Gluten

What You'll Need

Pot Roast

01 3 lbs beef chuck roast
02 1 tbsp kosher salt
03 1 tsp black pepper
04 2 tbsp 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 tbsp tomato paste
11 1 tbsp gluten-free Worcestershire sauce
12 1 tsp dried thyme
13 1 tsp dried rosemary
14 2 bay leaves

Mashed Potatoes

01 2 lbs Yukon Gold or Russet potatoes, peeled and cut into chunks
02 4 tbsp unsalted butter
03 ½ cup whole milk, plus more as needed
04 1 tsp salt
05 ½ tsp black pepper

Optional Garnish

01 Chopped fresh parsley

Directions

Step 01

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

Step 02

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

Step 03

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

Step 04

Prepare cooking liquid: Whisk together beef broth, tomato paste, Worcestershire sauce, dried thyme, dried rosemary, and bay leaves; pour this mixture over the roast and vegetables.

Step 05

Slow cook the roast: Cover and cook on low heat for 8 hours, or until the beef is fork-tender.

Step 06

Cook mashed potatoes: About 40 minutes before serving, place peeled potatoes in a large pot; cover with cold water and add 1 tsp salt. Bring to a boil, reduce heat, and simmer until tender, approximately 15 to 20 minutes. Drain thoroughly.

Step 07

Mash potatoes: Return drained potatoes to the pot and add butter and milk. Mash until smooth and creamy, seasoning with salt and pepper to taste. Add additional milk to achieve desired consistency.

Step 08

Rest and shred beef: Remove the roast from the slow cooker and let it rest for 5 minutes. Discard bay leaves, then shred or slice the beef as preferred.

Step 09

Plate and serve: Serve the pot roast and vegetables atop the mashed potatoes. Drizzle with pan juices and garnish with chopped fresh parsley if desired.

Essential Tools

  • 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 Details

Review all ingredients for allergens. Ask a medical expert when uncertain.
  • Contains dairy from butter and milk.
  • Worcestershire sauce may contain anchovies (fish allergen).
  • Gluten-free when using gluten-free beef broth and Worcestershire sauce.

Nutrition Facts (per portion)

These numbers offer reference only, not medical guidance.
  • Energy Value: 520
  • Fats: 23 g
  • Carbohydrates: 36 g
  • Proteins: 44 g