Ruffles Brand Cheddar & Sour Cream Flavored Potato Chips. RRRuffles Have Ridges. Guaranteed Fresh. Until Printed Date or this snack's on us. Made with Real Cheddar! Questions or comments Weekdays 9:00AM to 4:30PM Central Time. 2003 Frito-Lay. North America, Inc. 1-800-352-4477. Visit our website @ fritolay.com. 0 grams trans fat. Good Fun! Where We Live! Made with All Natural Oil. We Grow the Best Snacks on Earth.