Slow Cooker Pot Roast

Featured in: Cozy Dinner Plates

This dish features tender beef chuck slow-cooked with aromatic vegetables like carrots, celery, and onions, infused with savory herbs and a rich broth. Paired with creamy mashed potatoes made from Yukon Gold or Russet potatoes, butter, and milk, it delivers a hearty, comforting meal perfect for any occasion. The slow cooking process ensures melt-in-the-mouth beef and a flavorful, thick gravy. A sprinkle of fresh parsley adds a touch of color and freshness to the plate.

Updated on Thu, 13 Nov 2025 08:18:00 GMT
Tender Slow Cooker Pot Roast with vegetables and rich gravy served over fluffy mashed potatoes. Save
Tender Slow Cooker Pot Roast with vegetables and rich gravy served over fluffy mashed potatoes. | frizplo.com

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

I have fond memories of making this pot roast for cozy weekend gatherings—the aroma filling the house all day. Every time, the tender beef and creamy potatoes bring everyone together around the table.

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), 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: ½ cup (120 ml), plus more as needed
  • Salt: 1 tsp
  • Black pepper: ½ tsp
  • Chopped fresh parsley: optional, for garnish

Instructions

Season the beef:
Pat the beef chuck roast dry and season all sides with salt and pepper.
Sear the roast:
Heat olive oil in a large skillet over medium-high heat. Sear roast on all sides until browned (about 3–4 minutes per side). Transfer to slow cooker.
Add vegetables:
Place onion, garlic, carrots, and celery around the roast in the slow cooker.
Mix broth and seasonings:
In a bowl, whisk together beef broth, tomato paste, Worcestershire sauce, thyme, rosemary, and bay leaves. Pour over roast and vegetables.
Slow cook:
Cover and cook on low for 8 hours, or until beef is fork-tender.
Prepare mashed potatoes:
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 tender (15–20 minutes). Drain and return to pot. Add butter and milk. Mash until smooth and creamy. Season with salt and pepper. Add more milk if needed.
Rest and serve:
Remove roast and let rest for 5 minutes. Discard bay leaves. Shred or slice beef. Serve pot roast and vegetables over mashed potatoes. Drizzle with pan juices and garnish with parsley.
A close-up image shows juicy, shredded Slow Cooker Pot Roast alongside creamy mashed potatoes. Save
A close-up image shows juicy, shredded Slow Cooker Pot Roast alongside creamy mashed potatoes. | frizplo.com

This recipe is always a hit at Sunday dinners and brings back memories of special occasions with my grandparents. The leftovers make for amazing sandwiches the next day.

Required Tools

Slow cooker (6-quart or larger), large skillet, chefs knife, cutting board, large pot, potato masher or ricer, measuring cups and spoons

Allergen Information

Contains dairy (butter, milk). Worcestershire sauce may contain anchovies (fish). Gluten-free if using gluten-free broth and Worcestershire sauce. Always check labels for allergens.

Nutritional Information (per serving)

Calories: 520, Total Fat: 23 g, Carbohydrates: 36 g, Protein: 44 g

Hearty Slow Cooker Pot Roast recipe, featuring fork-tender beef and a flavorful gravy with mashed sides. Save
Hearty Slow Cooker Pot Roast recipe, featuring fork-tender beef and a flavorful gravy with mashed sides. | frizplo.com

Serve straight from the slow cooker for the ultimate comfort meal. Enjoy leftovers in sandwiches or salads the next day.

Recipe FAQ

How long does it take to cook the beef until tender?

Cooking on low heat for about 8 hours allows the beef chuck to become tender and flavorful.

Can I use another type of potato for the mashed potatoes?

Yes, Yukon Gold or Russet potatoes both work well, providing a smooth, creamy texture.

How can I thicken the gravy from the slow cooker?

Remove ½ cup of the cooking liquid, whisk in 1 tbsp cornstarch, and stir it back in. Cook on high for 10 minutes to thicken.

Is it possible to add wine to enhance the flavor?

Yes, substituting ½ cup of broth with red wine like Cabernet Sauvignon adds depth and richness to the gravy.

What herbs are used to season the pot roast?

Dried thyme, rosemary, and bay leaves infuse the beef and vegetables with aromatic flavor.

Slow Cooker Pot Roast

Tender beef slow-cooked with vegetables and gravy, served with creamy mashed potatoes.

Prep duration
20 min
Time to cook
480 min
Complete duration
500 min
Created by Madison Young

Classification Cozy Dinner Plates

Complexity Level Easy

Cultural Origin American

Output 6 Portion Count

Dietary requirements No Gluten

Components

Pot Roast

01 3 lbs 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 beef broth (gluten-free if needed)
10 2 tablespoons tomato paste
11 1 tablespoon Worcestershire sauce (gluten-free if needed)
12 1 teaspoon dried thyme
13 1 teaspoon dried rosemary
14 2 bay leaves

Mashed Potatoes

01 2 lbs Yukon Gold or Russet potatoes, peeled and cut into chunks
02 4 tablespoons unsalted butter
03 ½ cup whole milk, plus more as needed
04 1 teaspoon salt
05 ½ teaspoon 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. Brown the roast on all sides, approximately 3 to 4 minutes per side. Transfer to the slow cooker.

Step 03

Add vegetables: Place onion slices, 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, dried rosemary, and bay leaves. Pour the mixture over the roast and vegetables.

Step 05

Slow cook: Cover and cook on low setting for 8 hours, until the beef is tender and easily pierced with a fork.

Step 06

Cook potatoes: About 40 minutes before serving, place peeled potato chunks in a large pot and cover with cold water; add 1 teaspoon salt. Bring to a boil, then reduce heat and simmer for 15 to 20 minutes or until potatoes are very tender. Drain thoroughly.

Step 07

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

Step 08

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

Step 09

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

Necessary tools

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

Allergy details

Review each component for potential allergens and seek professional healthcare advice if you're uncertain.
  • Contains dairy from butter and milk
  • Worcestershire sauce may contain anchovies (fish allergen)
  • Ensure use of gluten-free broth and Worcestershire sauce if gluten intolerance is a concern

Nutritional breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy Content: 520
  • Fats: 23 g
  • Carbohydrates: 36 g
  • Proteins: 44 g