Read more: Mistakes Everyone Makes When Cooking Sweet Potatoes Gruyère is arguably the most recommended substitute for raclette cheese, and should be easily found in many U.S. supermarkets.

If you can't get hold of raclette, you could substitute French Morbier, Italian fontina, or Tomme sheep or goat cheese. Fondue, on the other hand, tends to use a mixture of cheeses for its ...