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Slow Cooker Salisbury Steak with Onion Gravy

This hearty Salisbury steak recipe features flavorful beef patties cooked in a rich onion gravy, all made conveniently in a slow cooker.
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Prep Time 20 minutes
Cook Time 7 hours
Total Time 7 hours 20 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 490
Ingredients Method Notes

Ingredients
  

For the Salisbury Steak
  • 2 lbs ground beef
  • 1/2 cup breadcrumbs
  • 1 large egg
  • 1/4 cup milk
  • 1 tbsp Worcestershire sauce
  • 1 tsp onion powder
  • 1 tsp garlic powder
  • 1/2 tsp salt
  • 1/2 tsp black pepper
  • 1 tbsp olive oil for browning the patties
For the Onion Gravy
  • 2 large yellow onions, sliced
  • 2 cups beef broth
  • 1 tbsp Worcestershire sauce
  • 1 tbsp ketchup
  • 1 tsp Dijon mustard
  • 1/2 tsp garlic powder
  • 2 tbsp cornstarch
  • 2 tbsp cold water
  • Salt and black pepper, to taste

Method
 

Preparation
  1. In a large bowl, combine ground beef, breadcrumbs, egg, milk, Worcestershire sauce, onion powder, garlic powder, salt, and black pepper. Shape the mixture into patties.
  2. Heat olive oil in a skillet over medium heat and brown the patties on both sides. Transfer them to the slow cooker.
  3. In the same skillet, add sliced onions and sauté until softened.
  4. Add beef broth, Worcestershire sauce, ketchup, Dijon mustard, and garlic powder to the onions and bring to a simmer.
  5. Pour the onion gravy over the patties in the slow cooker.
Cooking
  1. Cover and cook on low for 6-8 hours or until the beef is cooked through and tender.
  2. In a small bowl, mix cornstarch and cold water until smooth. Stir into the gravy and cook for an additional 30 minutes until thickened.
  3. Season with salt and black pepper to taste before serving.

Notes

Store any leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in a pot or microwave until heated through. You can add chopped mushrooms or bell peppers to the onion gravy for extra flavor, and a dash of hot sauce for some spice.