Ruffles Sour Cream & Onion Flavored Potato Chips. Rrruffles Have Ridges. Guaranteed fresh until printed date. Good fun! There's more where this came from. Ruffles, cheddar & sour cream. Ruffles, original. Guaranteed fresh until printed date or this snack's on us. Questions or comments Weekdays 9:00AM to 4:30PM Central Time 1-800-352-4477. Visit our website @ fritolay.com. Frito Lay. 2003 Frito-Lay North America, Inc.