Holly's Salisbury Steak

•Combine beef, 1 package gravy mix, onion, water, onion powder and garlic powder in a mixing bowl •Shape into 6 patties and brown in a skillet cooking to 160 degrees •Drain grease and put in baking dish •Mix gravy mix and 2 cups hot water •Pour over beef patties •Cook in oven at 425 degrees When gravy starts to boil, continue to cook 10 additional minutes until done.