Crispy Potato Cake

With a few ingredients and a little elbow grease, you can make something that seems fancy and exciting without breaking the bank. This giant potato cake is wonderful when cut into small pieces and topped with anything from caramelized onions to trout roe and sour cream. Cut it into larger wedges and you have a great companion to a piece of fish or a steak. This potato cake can be made a few hours ahead and reheated in a hot oven.

CRISPY POTATO CAKE 

SERVES 4 TO 6

Ingredients

½ pound (2 sticks) unsalted butter

6 large Idaho potatoes, peeled 

Kosher salt

Leaves from 6 sprigs fresh thyme

Steps

Clarify the butter: In a small saucepan, melt the butter over low heat and bring it to a gentle simmer. Remove the pan from the heat and allow the butter to sit for a minute. The milk solids should start to sink to the bottom. Slowly pour the clear butter into a bowl, keeping as much of the white milky liquid as possible in the saucepan. Discard the milk solids, which are prone to burning. Keep the clarified butter warm near the stove. 

Prepare the potatoes: Using a mandoline slicer or a sharp knife, cut all of the potatoes into thin (1⁄8-inch-thick) slices. Transfer them to a bowl and cover them with three-fourths of the clarified butter. Season with 1 tablespoon salt, sprinkle in the thyme leaves, and toss to coat the potatoes with the butter. Pour the remaining clarified butter into a 9-inch cast-iron skillet and swirl it around to coat the bottom and sides. 

Preheat the oven to 350°F. 

Assemble the potato cake: Remember that the bottom layer with be the top when you unmold this cake, so this assembling should be done with extra care. Arrange a circle of potato slices around the edge of the skillet, letting them overlap halfway, one over the other. Then make a second circle, inside the first one, of overlapping potato slices. There will likely be a third, smaller circle that makes the center of the bottom layer. Continue to layer overlapping circles until the entire bottom of the skillet is filled with potato rounds in smaller and smaller circles. Sprinkle with salt, and then repeat the circles to make a total of 5 or 6 layers. Press down gently on the potatoes to make sure they are starting to stick together and form a cake. 

Roast the potato cake: Set the skillet over high heat and cook until the liquid starts to release from the potatoes and you can see the edges browning, 5 to 8 minutes. Transfer the skillet to the oven and roast until the potatoes feel tender in the center when pierced with the tip of a knife, 20 to 25 minutes. 

Finish the potato cake: Remove the skillet from the oven and carefully pour any excess liquid into a bowl. Invert a platter over the skillet, and carefully holding them together (use oven mitts—the skillet will be hot), turn the platter and skillet over in one deft motion. Lift off the skillet and use a large metal spatula to slide the potato cake back into the skillet so it can brown on the second side. Pour the reserved liquid back into the skillet, put it in the oven, and cook for 5 to 8 minutes. Touch the top of the potatoes: they should feel hard and crispy, and the top should be golden brown. If not, return the skillet to the oven for a few more minutes of cooking. Remove the skillet from the oven, pour off any liquid, and season the potato cake with salt. Cut it into wedges like a pie, right in the skillet, and serve piping hot. 


Recipes and photographs reprinted from The Home Cook: Recipes to Know by Heart by Alex Guarnaschelli. Copyright © 2017 by Alex Guarnaschelli

Photographs copyright © 2017 by Johnny Miller. Published by Clarkson Potter/Publishers, an imprint of Penguin Random House LLC.

Get your own copy of The Home Cook: Recipes to know by heart here.

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