Step 1

In a large bowl mix together the ground beef, egg, worcestershire sauce, garlic powder, onion powder, salt, pepper, and breadcrumbs.

Step 2

Form the meat mixture into 4 balls, then flatten into patties.

Step 3

Heat the oil in a large skillet over medium heat.

Step 4

Add the onions, mushrooms, and hamburger patties to the skillet.

Step 5

Fry the patties for about 4 minutes on each side. Remove to a plate and keep warm.

Step 6

Sprinkle the flour over the onions and mushrooms in the skillet. Stir the flour in, cooking for one minute.

Step 7

Slowly pour the beef broth into the skillet using a wooden spoon to scrape the brown bits from the bottom of the pan.

Step 8

Reduce heat to simmer and cook the gravy for 3-5 minutes until thickened.

Step 9

Add the patties back to the pan, simmer for 10 more minutes.