In a small saucepan,
melt the butter and bring it to a gentle
simmer. Shut off the heat and allow it to sit a minute on the stove. The milk solids should start to sink to the bottom. Slowly pour the butter into a bowl, keeping as much of the white milky liquid as possible in the
saucepan. Discard the
milk solids; these are prone to burning and by clarifying the butter, the potato cake will be less likely to overbrown. Keep the butter warm on the stove.
Using a mandolin 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 3/4 of the melted butter. Season with a little salt and the dried thyme and toss to coat the potatoes with the butter. Pour the remaining butter in the bottom of the cast iron skillet and swirl it around to coat the bottom and sides.
Preheat the oven to 400 degrees F.
Remember that the bottom layer with be the top when you
unmold this cake so it should be done with extra care. Layer the potatoes, following the edge of the skillet, so they overlap. Start the second circle, closer to the center, of overlapping potato rounds. Continue to make circles with the
potatoes until the entire bottom of the skillet is filled with potato rounds in smaller and smaller circles. Fill the skillet with another level layer of potatoes. Sprinkle a touch of salt and make 3 more layers. Press down gently on the potatoes to make sure they are starting to stick together and form a
cake.
Place the skillet on high heat and cook until the water starts to emerge from the potatoes and you can see the edges browning, 5 to 8 minutes. Place the skillet in the oven and cook, undisturbed, until the potatoes feel tender in the center when pierced with the tip of a knife, 10 to 15 minutes. Remove the skillet and carefully pour off any excess butter or liquid into a bowl. Place the skillet on a flat surface and cover it with a platter larger than the skillet. Carefully turn the platter over in one deft motion. Lift off the skillet and use a large metal
spatula to place it back in the skillet so it can brown on the second side. Pour the butter back in and cook in the oven for an additional 5 to 8 minutes. Remove from the oven. Pour off any liquid. Season with salt. Cut into wedges like a
pie. Serve immediately in the skillet. Alternatively, lift it out of the skillet and serve on a platter or in slices on individual plates.
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By CookinKaren1
Northern California
on December 09, 2011
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Yummy, Yummy!! This is a great recipe. I have made some of Alex's recipes and they are always great!! I thought that they weren't going to brown on the stove, but just wait, as soon as the water evaporates they brown up nicely. The top was crispy and luscious. I might try a different spice next time. Thank you Alex
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