Keller's potatoes are soaked in cream, not butter, and they are also not deep fried. Keller's does get layered with butter, though his Michelin Star-worthy version is more like a creamy ...
“Potato gratin comes in many shapes and sizes,” says chef Ross Lusted ... When you are ready to serve, preheat oven to 200˚C fan-forced and cook until top is golden (20 minutes). Serve gratin topped ...