Copycat Peter Luger Steak Sauce is a tangy and flavorful sauce that pairs perfectly with grilled or roasted meats. It is a homemade version of the famous steak sauce served at Peter Luger Steakhouse in New York City. The sauce is made with a combination of ketchup, Worcestershire sauce, vinegar, and spices. It has a slightly sweet and tangy taste with a hint of smokiness. This sauce is easy to make and can be stored in the refrigerator for up to a month.