Step 1

In a medium-sized bowl, whisk the eggs together with the milk, 1 ½ teaspoon salt, Italian seasoning, pepper, garlic powder, onion powder, ketchup, mustard powder and Worcestershire sauce

Step 2

In a large bowl, combine the ground beef and breadcrumbs

Step 3

Mix gently with your hands until they’re fully combined.Add the whisked egg mixture to the ground beef

Step 4

Use your hands to gently mix the meat mixture until fully combined

Step 5

Then, form the ground beef mixture into 6 oval patties, about 1-inch thick.In a large skillet with a tight-fitting lid, heat 1 tablespoon of olive oil over medium heat

Step 6

When the oil is glistening, add the patties to the pan

Step 7

Brown the patties on both sides, about 4 minutes per side or 8 minutes total

Step 8

They do not have to be cooked through

Step 9

Transfer the patties to a plate

Step 10

Make the gravy: In the same skillet over medium heat, warm the remaining tablespoon of oil

Step 11

Add the onions and cook for about 6-8 minutes, until they’re soft and translucent

Step 12

Add the mushrooms and cook until softened, about 5 more minutes

Step 13

If the pan seems too dry, add ¼ cup beef stock

Step 14

Add the garlic and cook for 1 more minute, until fragrant

Step 15

Add the butter to the pan

Step 16

When it has melted, stir in the flour, mustard powder, ¾ teaspoons sea salt, garlic powder and onion powder.Slowly stir in the beef broth, bouillon and Worcestershire sauce

Step 17

Bring the gravy to a boil over medium-high heat

Step 18

Nestle the browned beef patties into the onion gravy

Step 19

Cover the skillet and turn the heat down to low

Step 20

Simmer for about 10-15 minutes, until the internal temperature of the Salisbury steak patties reaches 160°F on an instant-read thermometer

Step 21

Serve the Salisbury steaks topped with the gravy and garnished with minced parsley