Gratin dishes are those that are generally cooked in the oven, so that the top layer of cheese (but it can also be breadcrumbs, mashed potatoes, or bechamel sauce) becomes golden and crispy with heat. For cheese lovers, here we gather the best gratin dishes with this delicious ingredient, from pastas, lasagnas, or stuffed peppers to gratin cactus, find the most delicious gratin recipes.