Preparation:
Step 1
First, in a medium-sized bowl, combine ground beef, 1/3 cup of condensed French onion soup, breadcrumbs, egg, parsley, salt, and pepper.
Step 2
Then, mix until well combined, then shape the mixture into 6 oval-shaped patties.
Step 3
After that, warm up the olive oil in a spacious skillet over medium-high heat.
Step 4
Next, brown the patties on both sides, then transfer them to a plate and set aside.
Step 5
In the same skillet, sprinkle flour and garlic powder.
Step 6
Cook for about a minute, stirring constantly.
Step 7
Gradually stir in the remaining French onion soup, ketchup, water, Worcestershire sauce, and mustard powder.
Step 8
Next, bring the mixture to a simmer, stirring constantly until the gravy thickens slightly.
Step 9
Return the patties to the skillet and add sliced mushrooms on top.
Step 10
Cover with a lid and simmer for approximately 20 minutes, or until the patties are cooked through and the gravy has thickened to your desired consistency.
Step 11
Serve the Salisbury steak patties hot with the mushroom gravy spooned over the top.
Enjoy your hearty Salisbury steak with mushroom gravy!