The magic lies in the mushroom gravy—a savory sauce that soaks into the patties ... I don't mean to toot my grandma's horn, but she made the best Salisbury steak I've ever had.
Pour in the wine and stir in the chopped thyme leaves, then leave to simmer for 5-6 minutes, or until the liquid has thickened. Pour the mushroom and red wine sauce over the steaks and serve.