Slow Cooker Pot Roast Potatoes

Featured in: Spicy Entrées

Savor a comforting main featuring fork-tender beef chuck roast slow-cooked with onions, carrots, garlic, and celery. Rich beef broth and a blend of herbs infuse the dish with deep flavor, ensuring juicy, succulent meat. Pair with creamy mashed Yukon Gold or Russet potatoes, whipped with butter and milk for a smooth finish. Serve together for an inviting plate drizzled with flavorful pan juices and a sprinkle of fresh parsley. Ideal for gluten-free diets when using gluten-free broth and Worcestershire sauce. This homestyle favorite makes six hearty servings that's perfect for cozy gatherings or family dinners.

Updated on Mon, 08 Dec 2025 18:47:40 GMT
Slow Cooker Pot Roast served with creamy mashed potatoes and fresh parsley garnish.  Save
Slow Cooker Pot Roast served with creamy mashed potatoes and fresh parsley garnish. | pepperplume.com

Slow Cooker Pot Roast with Mashed Potatoes is the ultimate comfort meal, perfect for those cozy evenings when you want something hearty and satisfying. The tender beef chuck roast simmers slowly with aromatic vegetables and herbs, resulting in melt-in-your-mouth meat infused with rich, savory flavors. Paired with creamy mashed potatoes, this classic American main dish offers warmth and homey goodness in every bite, making it a beloved family favorite.

Slow Cooker Pot Roast served with creamy mashed potatoes and fresh parsley garnish.  Save
Slow Cooker Pot Roast served with creamy mashed potatoes and fresh parsley garnish. | pepperplume.com

This recipe brings together simple ingredients to create a classic dish that feels both special and familiar. The layers of flavor develop slowly in the crockpot, freeing you to focus on other tasks or simply relax until dinnertime. The mashed potatoes offer that velvety texture that balances the robust meat and vegetables, and adding fresh parsley gives a pop of color and freshness on the plate.

Ingredients

  • For the Pot Roast
    • 3 lbs (1.4 kg) beef chuck roast
    • 1 tbsp kosher salt
    • 1 tsp black pepper
    • 2 tbsp olive oil
    • 1 large onion, sliced
    • 4 cloves garlic, minced
    • 4 large carrots, peeled and cut into 2-inch pieces
    • 3 celery stalks, cut into 2-inch pieces
    • 2 cups (480 ml) beef broth (gluten-free if needed)
    • 2 tbsp tomato paste
    • 1 tbsp Worcestershire sauce (gluten-free if needed)
    • 1 tsp dried thyme
    • 1 tsp dried rosemary
    • 2 bay leaves
  • For the Mashed Potatoes
    • 2 lbs (900 g) Yukon Gold or Russet potatoes, peeled and cut into chunks
    • 4 tbsp unsalted butter
    • ½ cup (120 ml) whole milk (plus more as needed)
    • 1 tsp salt
    • ½ tsp black pepper
  • Optional Garnish
    • Chopped fresh parsley

Instructions

1.
Pat the beef chuck roast dry and season all sides with salt and pepper.
2.
In a large skillet, heat olive oil over medium-high heat. Sear the roast on all sides until browned (about 3–4 minutes per side). Transfer to the slow cooker.
3.
Add onion, garlic, carrots, and celery around the roast in the slow cooker.
4.
In a bowl, whisk together beef broth, tomato paste, Worcestershire sauce, thyme, rosemary, and bay leaves. Pour over the roast and vegetables.
5.
Cover and cook on low for 8 hours, or until the beef is fork-tender.
6.
About 40 minutes before serving, prepare the mashed potatoes:
• Place potatoes in a large pot and cover with cold water. Add 1 tsp salt.
• Bring to a boil, reduce heat, and simmer until potatoes are very tender (15–20 minutes).
• Drain well and return potatoes to the pot. Add butter and milk; mash until smooth and creamy. Season with salt and pepper to taste. Add more milk if needed for desired consistency.
7.
Remove the roast from the slow cooker and let rest for 5 minutes. Discard bay leaves. Shred or slice the beef.
8.
Serve pot roast and vegetables over a bed of mashed potatoes. Drizzle with pan juices and garnish with fresh parsley if desired.

Zusatztipps für die Zubereitung

For a thicker gravy, remove ½ cup of cooking liquid, whisk with 1 tbsp cornstarch, and stir back into the slow cooker. Cook on high for 10 minutes to achieve the perfect consistency.

Varianten und Anpassungen

Red wine can be substituted for ½ cup of the broth for a richer flavor. Yukon Gold potatoes yield creamy, buttery mashed potatoes, but Russet potatoes work well too, offering a slightly different texture.

Serviervorschläge

Pair this dish with a bold red wine such as Cabernet Sauvignon to complement the deep flavors of the pot roast, creating a complete dining experience.

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| pepperplume.com

This Slow Cooker Pot Roast with Mashed Potatoes recipe is a timeless classic that never fails to deliver satisfying, hearty meals. Its ease of preparation and rich, comforting flavors make it ideal both for busy weeknights and special occasions, bringing family and friends together around the table.

Recipe FAQ

How should I select beef for this dish?

Choose a well-marbled beef chuck roast for optimal tenderness and flavor during slow cooking.

Can I substitute the potatoes?

Yes. Yukon Gold offers a buttery texture, but you may use Russet potatoes if preferred for fluffier mash.

What can I do to make a thicker gravy?

Remove ½ cup of liquid, whisk with 1 tbsp cornstarch, and return to the slow cooker. Cook until thickened.

Is this dish gluten-free?

Use gluten-free beef broth and Worcestershire sauce to ensure the dish remains gluten-free.

Which kitchen tools do I need?

A slow cooker, large skillet, chef's knife, cutting board, large pot, and potato masher or ricer are essential.

Can I prepare this ahead of time?

Yes. Both beef and mashed potatoes can be reheated gently before serving for convenience.

Slow Cooker Pot Roast Potatoes

Slow-cooked beef and vegetables served atop creamy mashed potatoes for a classic comfort meal.

Prep duration
20 min
Cook duration
480 min
Complete duration
500 min
Created by Isabella Flores


Complexity Easy

Heritage American

Output 6 Portions

Diet considerations No gluten

Components

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 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 pounds Yukon Gold or Russet potatoes, peeled and cut into chunks
02 4 tablespoons unsalted butter
03 1/2 cup whole milk, plus more as needed
04 1 teaspoon salt
05 1/2 teaspoon black pepper

Optional Garnish

01 Chopped fresh parsley

Directions

Phase 01

Season and Sear Beef: Pat the beef chuck roast dry and season all sides with kosher salt and black pepper. Heat olive oil in a large skillet over medium-high heat. Sear the roast on all sides until well browned, about 3 to 4 minutes per side. Transfer the beef to the slow cooker.

Phase 02

Add Vegetables: Place sliced onion, minced garlic, carrots, and celery around the beef in the slow cooker.

Phase 03

Combine and Pour Liquid: In a bowl, whisk beef broth, tomato paste, Worcestershire sauce, dried thyme, dried rosemary, and bay leaves. Pour the mixture over the beef and vegetables.

Phase 04

Slow Cook Pot Roast: Cover and cook on low for 8 hours or until the beef is fork-tender.

Phase 05

Prepare Mashed Potatoes: About 40 minutes before serving, place potatoes in a large pot and cover with cold water. Add 1 teaspoon salt. Bring to a boil, reduce heat, and simmer until potatoes are very tender, about 15 to 20 minutes. Drain well, return potatoes to the pot, add butter and milk, and mash until smooth and creamy. Season with salt and pepper to taste. Add more milk as needed for desired consistency.

Phase 06

Rest and Serve Beef: Remove the roast from the slow cooker and let rest for 5 minutes. Discard bay leaves. Shred or slice the beef. Serve the pot roast and cooked vegetables over a bed of mashed potatoes. Drizzle with pan juices and garnish with fresh parsley if desired.

Necessary tools

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

Allergy details

Review each ingredient for potential allergens and seek professional health advice if you're uncertain.
  • Contains dairy (butter, milk)
  • Worcestershire sauce may contain anchovies (fish)

Nutrient breakdown (per portion)

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