0 Grams trans fat. You'll be happy to know that great-tasting Lay's brand Kettle Cooked Potato Chips are made with 100% pure sunflower oil. We're proud to make our chips the old-fashioned way, taking extra time to ensure each batch is irresistibly crunchy and delicious. We start with premium potatoes, slice them thick and cook them in small batches in order to lock in their hearty potato flavor and extra-satisfying crunch. Get your smile on!