Step by step

Mix vigorously in such a way that the fondue does not stick to the bottom of the pan

Tips
As you make your Valdostana fondue, pay attention to one very important aspect: the cheese must not be heated to temperatures that go above 70 degrees.
Trivia
The origin of the fondue is disputed between the territories that are on the border between France, Switzerland and Italy: it is still difficult to determine the region in which fondue was first made.