Every Swiss family guards its own rösti doctrine. Some swear by raw potatoes, others par-boil the night before. Some add bacon, some consider that heresy. This version — par-boiled, generously buttered, finished with Alpine cheese — is the one I learned in a farmhouse kitchen above Appenzell, and it has never failed me.
Ingredients (serves 4)
- 1 kg waxy potatoes (Charlotte or similar), boiled in their skins the day before
- 60 g butter, plus more for finishing
- 150 g Appenzeller or Gruyère, coarsely grated
- 1 small onion, finely sliced (optional but recommended)
- Sea salt and black pepper
Method
Peel the cold boiled potatoes and grate them on the coarse side of a box grater. Work gently — you want distinct strands, not mash. Season with a teaspoon of salt and a few grinds of pepper.
Melt half the butter in a heavy 24 cm frying pan over medium heat. If using onion, soften it first for three minutes. Add the potatoes and press them gently into an even cake with a spatula. Cook undisturbed for 12 to 15 minutes until the underside is deep golden — resist the urge to peek before the ten-minute mark.
Now the flip: slide the rösti onto a large plate, invert the pan over it, and turn the whole assembly over in one confident motion. Hesitation is the enemy. Add the remaining butter around the edges, scatter half the cheese over the top, and cook another 10 minutes until the second side matches the first.
Finish with the rest of the cheese and let it melt under a lid for two minutes. Serve straight from the pan, ideally with fried eggs and a sharp green salad to cut the richness. Leftovers reheat surprisingly well in a dry pan, though in twenty years I have never actually had leftovers.
A proper rösti should shatter at the edge and yield at the centre — crisp armour over a molten heart.
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