"Dirty®" Maui Onion All Natural Potato Chips. We kettle cook in a premium peanut oil blend for a crunchier, tastier potato chip! "Dirty" potato chips are: All natural. Gluten free. Kettle cooked in a peanut oil blend. Kosher certified. And contain: 0g trans fat per serving. No artificial colors. No artificial flavors. No preservatives. No artificial sweeteners. "Dirty" potato chips are kettle cooked one batch at a time and use premium, all natural ingredients for a crunchier, tastier chip. We thank you for purchasing "Dirty's". Chip master. 1-800-347-8972. Call mail order at: 1-800-347-8972 during business hours or order online anytime at: www.dirtys.com.