Salisbury Steak With Gravy

In a mixing bowl, combine ground beef, one package brown gravy mix, 1/2 cup water, onion, onion powder and garlic powder. Shape into six or eight patties and place in pan at least one inch deep, and broil in oven turning to brown on both sides. When browned, combine remaining package of gravy mix with two cups of hot water (instead of one cup recommended on package). Pour gravy over patties after they have been drained of grease. Place in oven again and turn heat to 450 degrees (425 degrees for glass). When gravy begins to boil, leave in oven until it