Boulder Canyon Malt Vinegar & Sea Salt Kettle Cooked Potato Chips are Boulder Canyon Natural Foods' favorite and best-selling chips of all time. They use malt vinegar for an intense vinegar bite and add natural sea salt for an irresistible flavor. Made with premium American grown potatoes from an original family recipe, they're kettle cooked in small batches, thickly sliced and deliciously crunchy.