Lay's is a brand of potato chips that was founded in 1938 by Herman Lay in Nashville, Tennessee. The company is now a subsidiary of PepsiCo and is one of the most popular potato chip brands in the world. Lay's chips are available in a wide variety of flavors, including classic salted, sour cream and onion, barbecue, and cheddar and sour cream. The company also offers a variety of other potato chip products, such as Stax, Wavy, and Poppables.