Stovetop Potato Rösti
A rösti relies on the starch within the potatoes to bind the cakes together without the need for flour or eggs. The secret is to grate the potatoes coarsely, squeeze out every drop of moisture, and cook them slowly in a generous amount of butter until they form a thick, deep-golden crust.
Control the moisture, control the crisp.
If the potatoes are wet when they hit the pan, they will steam instead of fry. Use a clean kitchen towel to wring them out until they are bone-dry.
- box grater
- clean linen kitchen towel
- 10-inch heavy-bottomed cast iron skillet
- spatula
What goes in.
- 1.5 lbstarchy potatoes like Russet or Yukon Gold
- 3 tbspunsalted butter
- 1 tbspneutral oil, such as grapeseed or avocado
- 1 tspkosher salt
- 1/2 tspfreshly ground black pepper
Wringing the potatoes
Wrap the grated potatoes in a towel and twist it over the sink until no more liquid drips out. The drier the potatoes, the better the structure of the final cake.
The method.
Prep the potatoes
Peel and grate the potatoes using the coarse side of your box grater. Immediately toss them in a bowl with salt and pepper.
Remove moisture
Transfer the seasoned potatoes to your kitchen towel. Gather the corners and twist tightly over the sink, applying significant pressure to extract as much starch-water as possible.
Heat the pan
Place your skillet over medium heat. Add the butter and oil. Once the butter foams and the solids begin to turn hazelnut-brown, add the potatoes.
Shape and cook
Spread the potatoes into an even layer without packing them too tightly. Let them cook undisturbed for 10 to 12 minutes. You want to hear a steady, low-frequency sizzle.
The flip
Check the edge; it should be deep brown and lift easily. Invert the rösti onto a large plate, add a small knob of butter to the pan, and slide the cake back in, uncooked side down. Cook for another 8 to 10 minutes until the bottom is equally crisp.
Other turns to take.
Cheesy Onion
Fold in a handful of finely minced chives and a small amount of grated Gruyère cheese after wringing the potatoes.
Bacon Speck
Add 2 tablespoons of finely diced, rendered bacon lardons to the potato mixture before cooking.
When it doesn't go to plan.
Use a cast iron skillet to ensure even heat distribution and a reliable crust.
Do not rinse the grated potatoes; the starch on the surface is essential for the cakes to hold together.
If the center isn't cooked through but the outside is dark, turn the heat down to low and cover the pan for the final 5 minutes.
The ones that keep coming up.
Can I use waxy potatoes?
They work, but they contain less starch than Russets, so the cake will be slightly more prone to falling apart. Handle with care during the flip.
How do I know the inside is done?
The potatoes should be tender and creamy, not crunchy. A thin-bladed knife should slide into the center with no resistance.
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