You need potatoes, onion, red wine, moustard, marine salt, extra virgin olive oil.chop and fry the onion with extra virgin olive oillet the onion to fadeskin and cut the potatoesdrop the potatoes in the fry panadd three pinches of saltalways stirring, cook for ten-twelve minutesas the potatoes are cooked add the red wine and stircover with the lid and let cook three minutescheck the salinitykeep stirring until the wine dried upserve still hot