What variety of salt do you use? 21 April 2021 05:36 The salt used on our Fries in the U.K. is pure dried vacuum salt. Related articles Why is there so much salt in a Big Mac®? Are gherkins added to a Big Mac® to offset the sugar content & avoid it being called a dessert? Is it possible to order a milkshake with a breakfast menu? Is there a minimum spend using a debit or credit card? Can you stop using sugar in the buns?