Salisbury Steak Casserole

Salisbury Steak Casserole is a hearty mix of ground beef and sautéed mushrooms and onions, in irresistible gravy that is topped with cheesy mashed potatoes all made simply in one skillet.

Course Main Course

Cuisine American

Keyword salisbury steak, salisbury steak casserole

Prep Time 10

Cook Time 20

Total Time 30

Servings people

Calories 816kcal

Cost $15

Equipment

Skillet

Ingredients

2 lb ground beef
8 oz mushrooms sliced
1 medium onion thinly sliced
2 tbsp olive oil
1 tbsp horseradish
1 tbsp minced garlic
1 tbsp Worcestershire sauce
1/2 tsp garlic salt
1 tsp cracked black pepper
1 packet dry onion soup mix
For the gravy:
1 tbsp dry onion soup mix
1-1/2 cups beef broth
1 tbsp Worcestershire sauce
3 tbsp water
3-1/2 tbsp cornstarch
For the potatoes:
24 oz container refrigerated mashed potatoes heated to package directions.
2 cups shredded white sharp cheddar cheese
3/4 cups half and half
2 tbsp butter
parsley for garnish

Instructions

Turn oven on to high broil. In a medium mixing bowl add ground beef, horseradish, garlic, Worcestershire sauce, garlic salt, pepper, and dry onion soup mix. Using a large spoon or your hands combine ingredients well. Pour oil into skillet and add meat mixture, mushrooms and onions and sautée over medium high heat until meat is cooked through.
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For the gravy: in a large measuring cup or mixing bowl whisk together 1 tbsp dry onion soup mix, beef broth, Worcestershire sauce, water, and cornstarch. Pour over meat mixture and mix to combine. Cook over medium high heat stirring occasionally until gravy thickens, about 2 minutes.
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Add the heated mashed potatoes to a bowl and combine with cheese, butter and half and half. Spoon over the top of meat mixture and put in the oven under high broil for 3-5 minutes. Garnish with parsley and serve.

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