We gather the ingredients, cook the potatoes with their skin and when they are ready, peel them and cut them to taste, cut the bacon, fry it without EVOO and reserve it, peel the onion, poach it with EVOO and salt, add the reserved bacon, We pour the white wine, let the alcohol evaporate and reserve it.

In an ovenproof dish, we place a layer of boiled potatoes, season with salt and pepper to taste, distribute half of the onion and bacon sauce on top, place another layer of boiled potatoes, we season with salt and pepper to taste, redistribute the other half of the sauteed onion and bacon, cover it with liquid cream or crème fraiche, cut the cheese into slices without the rind, add it to the above, bake it for 20' at 180º, plate the recipe and serve it. Enjoy the recipe.