Heston: "These chips are one of my proudest legacies! You see them on menus up and down the country now but the original recipe came out of endless experimenting at home long before I even opened the Fat Duck. The first secret is cooking the chips until they are almost falling apart as the cracks are what makes them so crispy. The second secret is allowing the chips to steam dry then sit in the freezer for an hour to get rid of as much moisture as possible. The final secret is to cook the chips in very hot oil for a crispy, glass-like crust."

Serves 6