Slow Cooker Salisbury Steak and Mashed Potatoes Recipe

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Ivan Published: December 21, 2020 Modified: May 31, 2021
Slow Cooker Salisbury Steak and Mashed Potatoes Recipe

How To Make Slow Cooker Salisbury Steak and Mashed Potatoes

Dig into this mouthwatering Salisbury steak recipe that is made flavorful by cooking it in the slow cooker along with the mashed potatoes and mushrooms.

Preparation: 20 minutes
Cooking: 4 hours
Total: 4 hours 20 minutes



For Salisbury Steak:

  • 1lbground beef
  • cupbreadcrumbs,panko or regular
  • 1tbspketchup
  • 1tspYellow Mustard
  • 1tbspbeef base
  • ½tspKosher salt,divided
  • ¼tspblack pepper,crushed, divided
  • 2tbspbutter
  • 1yellow onion,sliced
  • 8ozcrimini mushrooms,sliced
  • 2cupsbeef broth
  • 1tbspcornstarch
  • 2tspworcestershire sauce
  • parsley,for garnish, optional

For Mashed Potatoes:

  • 6russet potatoes
  • 4tbspbutter
  • ½cupsour cream
  • 1cupwhole milk
  • ½tspkosher salt
  • ¼tspground black pepper


Salisbury Steak:

  1. Mix the ground beef with breadcrumbs, ketchup, mustard, beef base, ¼ teaspoon of salt, and ½ of the black pepper.

  2. Form them into four patties and add the patties to a heavy skillet or the stovetop safe slow cooker insert.

  3. Cook the patties on medium-high heat until browned on both sides, 4 to 5 minutes per side.

  4. Place the patties into ½ of the slow cooker.

  5. Add the butter to the pan and add the rest of the salt and pepper to the onions and mushrooms.

  6. Cook for 4 to 5 minutes, stir, then cook an additional 4 to 5 minutes.

  7. Add to the slow cooker on top of the cooked beef patties.

Mashed Potatoes:

  1. Add a piece of 12×12-inch of foil into half of the slow cooker.

  2. Place the clean and scrubbed potatoes into the slow cooker and press down tightly with another sheet of foil.

  3. Cook on Low for 4 hours.

To Finish:

  1. Uncover the foil and remove the potatoes.

  2. In a bowl smash the potatoes with a potato masher.

  3. Add in the butter, sour cream, milk, salt and pepper, and mash until reaching the desired consistency.

  4. Add the potatoes back to the slow cooker in the foil still lining the bottom.

  5. In a cup mix the beef broth, Worcestershire sauce, and cornstarch and add it to the beef patties.

  6. Cook on High for 20 minutes.

  7. Garnish with chopped parsley, optional.


  • Calories: 928.53kcal
  • Fat: 49.15g
  • Saturated Fat: 24.37g
  • Trans Fat: 2.04g
  • Monounsaturated Fat: 16.67g
  • Polyunsaturated Fat: 2.00g
  • Carbohydrates: 89.09g
  • Fiber: 6.49g
  • Sugar: 12.18g
  • Protein: 36.23g
  • Cholesterol: 148.61mg
  • Sodium: 1299.07mg
  • Calcium: 235.96mg
  • Potassium: 2590.80mg
  • Iron: 7.30mg
  • Vitamin A: 265.05µg
  • Vitamin C: 35.05mg
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