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Slow Cooker Salisbury Steak

This slow cooker Salisbury steak is a simple yet hearty dish featuring ground beef patties cooked in a savory onion-soup gravy, perfect for busy weeknight dinners.
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Prep Time 20 minutes
Cook Time 8 hours
Total Time 8 hours 20 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 450
Ingredients Method Notes

Ingredients
  

For the Patties
  • 1 lb ground beef (80/20 or 85/15 for flavor)
  • 1/2 cup bread crumbs (plain or panko) Use gluten-free if necessary
  • 1 large egg
  • 1 medium onion, finely chopped
  • 1 tbsp Worcestershire sauce
  • 1/2 tsp salt
  • 1/4 tsp black pepper Adjust to taste
For the Gravy
  • 2 cups mushrooms, sliced (button or cremini)
  • 1 cup beef broth (low-sodium if desired) Use low-sodium for a healthier option
  • 1 packet onion soup mix Consider homemade for lower sodium
Additional Seasoning
  • to taste Salt and pepper

Method
 

Preparation
  1. In a large bowl, combine ground beef, breadcrumbs, egg, chopped onion, Worcestershire sauce, 1/2 teaspoon salt, and 1/4 teaspoon black pepper. Mix gently until just combined.
  2. Shape the mixture into 4 evenly sized patties and press them slightly flat.
Cooking
  1. Heat a tablespoon of oil in a skillet over medium-high heat. Brown the patties for 2–3 minutes per side until they have a golden crust.
  2. Transfer browned patties to the slow cooker, arranging them in a single layer if possible.
  3. Sauté the sliced mushrooms in the same skillet until they release moisture and start to brown, about 4–5 minutes. Spoon mushrooms over the patties in the slow cooker.
  4. Deglaze the skillet with 1 cup beef broth, scraping up browned bits. Stir in the onion soup mix until dissolved, then pour this mixture over the patties and mushrooms.
  5. Cover and cook on LOW for 6–8 hours, or until patties are tender and the gravy is flavorful.
  6. If desired, whisk a tablespoon of cornstarch with 2 tablespoons of cold water, stirring it into the slow cooker 20–30 minutes before serving to thicken the gravy.

Notes

Serve with creamy mashed potatoes, rice, or buttered noodles. Leftovers reheat well and freeze nicely. For a vegetarian option, try using lentil or mushroom-based patties.