Slow Cooker Pot Roast Potatoes

Featured in: Family Meals

Indulge in tender beef chuck roast slow-cooked alongside carrots, celery, and onions, infused with herbs and a savory pan sauce. The roast is paired with buttery Yukon Gold or Russet mashed potatoes for a satisfying comfort meal. Preparation begins with searing beef, then gently cooking with vegetables and flavorful broth. Mashed potatoes are whipped until creamy, seasoned and served with the melt-in-your-mouth beef and vegetables, topped with pan juices. This dish excels in simple, robust flavors and homey presentation, ideal for family dinners or gatherings. Garnish with fresh parsley for an extra pop of freshness.

Updated on Sun, 09 Nov 2025 09:39:00 GMT
Tender slow cooker pot roast served with creamy mashed potatoes and fresh parsley.  Save
Tender slow cooker pot roast served with creamy mashed potatoes and fresh parsley. | cinnamonglow.com

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

I made this pot roast for a weekend gathering, and everyone loved the way the beef turned out so tender after slow cooking all day. The mashed potatoes perfectly soaked up the savory gravy.

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
  • 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
  • Black pepper: ½ tsp
  • Chopped fresh parsley: Optional, for garnish

Instructions

Season and Sear Beef:
Pat beef chuck roast dry and season all sides with salt and pepper. 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.
Add Vegetables:
Arrange onion, garlic, carrots, and celery around the roast in the slow cooker.
Mix and Pour Sauce:
In a bowl, whisk 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:
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, return potatoes to pot, add butter and milk; mash until creamy. Season with salt and pepper. Add more milk for desired consistency.
Finish Beef:
Remove roast from slow cooker and rest for 5 minutes. Discard bay leaves. Shred or slice beef.
Serve:
Serve pot roast and vegetables over mashed potatoes. Drizzle with pan juices and garnish with fresh parsley if desired.
Hearty slow cooker pot roast with vibrant vegetables and buttery mashed potatoes.  Save
Hearty slow cooker pot roast with vibrant vegetables and buttery mashed potatoes. | cinnamonglow.com

This pot roast recipe has become a staple at our family gatherings, especially during cold weather when comfort food is at its best.

Required Tools

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

Allergen Information

Contains dairy (butter, milk). Always check broth and sauce labels for gluten and fish allergens.

Nutritional Information

Per serving: 520 calories, 23 g fat, 36 g carbohydrates, 44 g protein

Savory slow cooker pot roast resting alongside rich, fluffy mashed potatoes drizzled with gravy. Save
Savory slow cooker pot roast resting alongside rich, fluffy mashed potatoes drizzled with gravy. | cinnamonglow.com

Enjoy this slow cooker pot roast for a cozy meal that brings everyone together. Leftovers are great the next day, too!

Recipe FAQ Section

How do I ensure the beef stays tender?

Use chuck roast and slow cook on low for eight hours until the beef becomes fork-tender. Searing the meat first helps retain juices.

Can I make this dish gluten-free?

Select gluten-free beef broth and Worcestershire sauce, and always verify labels to avoid hidden gluten sources.

Which potato variety works best?

Yukon Gold potatoes yield rich, creamy texture, but Russet potatoes also mash well for a fluffier consistency.

How do I make the gravy thicker?

Remove some cooking liquid, mix with cornstarch, and stir back into the slow cooker. Cook on high until thickened.

What wine pairs well with this meal?

Bold reds like Cabernet Sauvignon complement the flavors and add depth when served alongside this hearty dish.

Can I prepare mashed potatoes ahead of time?

Yes, mashed potatoes can be made ahead and gently reheated, adding extra milk if needed for creamy consistency.

Slow Cooker Pot Roast Potatoes

Slow-cooked beef with vegetables and gravy, served over creamy mashed potatoes for a hearty, comforting dinner.

Prep duration
20 min
Time to cook
480 min
Complete duration
500 min
Created by Hannah Collins

Classification Family Meals

Skill level Easy

Cultural Origin American

Output 6 Portion count

Dietary considerations Without 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

Method

Phase 01

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

Phase 02

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

Phase 03

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

Phase 04

Prepare Cooking Liquid: Whisk together beef broth, tomato paste, Worcestershire sauce, dried thyme, dried rosemary, and bay leaves in a bowl. Pour over the beef and vegetables.

Phase 05

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

Phase 06

Prepare Mashed Potatoes: Thirty to forty minutes before serving, place potato chunks in a large pot and cover with cold water. Add salt and bring to a boil. Reduce heat and simmer until potatoes are very tender, 15 to 20 minutes.

Phase 07

Mash Potatoes: Drain potatoes thoroughly and return to the warm pot. Add unsalted butter and whole milk; mash until smooth and creamy. Season with additional salt and black pepper as needed. If a softer consistency is desired, incorporate more milk.

Phase 08

Rest and Slice Beef: Remove cooked beef from the slow cooker. Discard bay leaves. Allow roast to rest for 5 minutes, then slice or shred against the grain.

Phase 09

Serve: Spoon mashed potatoes onto serving plates. Top with pot roast and vegetables. Drizzle with slow cooker juices and garnish with fresh parsley, if desired.

Tools needed

  • 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 consult with a healthcare professional if you're uncertain about any ingredients.
  • Contains dairy ingredients (butter, milk).
  • Worcestershire sauce may contain anchovies (fish).
  • Gluten-free only when using certified gluten-free beef broth and Worcestershire sauce. Review labels for allergens.

Nutritional breakdown (per portion)

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