For those of us who grew up on school lunches, Salisbury steak day was the pinnacle of flavor.But let's get down to business. What is Salisbury steak? And how do you make it?.A cross between meatloaf and a burger, Salisbury steak is ground beef mixed with seasonings and bread crumbs.It's then formed into individual patties, browned in a skillet, and simmered with a simple mushroom gravy.This hamburger steak with gravy was named after a doctor who studied nutrition in the 1800s.Dr. James Henry Salisbury studied "healthy eating" and was a proponent of minced beef as a health food.Well, few folks would identify Salisbury steak as a health food these days.But if you choose lean ground beef, saute in olive oil, and make your own gravy, then it's not all that bad