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Playing How to Make the 15-Hour Potato | TikTok Star Poppy Cooks

TikTok star Poppy O'Toole (@PoppyCooks on TikTok and @Poppy_Cooks on Instagram) is a Michelin-trained chef, cookbook author and self-proclaimed "Potato Queen." After the Birmingham, England native lost her job during the pandemic, she started making cooking videos on TikTok, and her potato recipes proved especially popular. In fact, this viral potato dish—basically, a loaf of slow-baked buttered potato slices that's cut into slabs and deep-fried until golden and crispy—has gotten the most views of all, more than 60 million and counting since last year! 

As Poppy describes it, "It's just simplicity and perfection and anything you could want in a spud." She says you can serve it with anything you fancy, but it's also good enough to eat on its own. We're sold! 

Pro Tip from Poppy: You need to work fast after heating the beef drippings because it sets quickly. You can always reheat it on the stove or in the microwave, if needed. If you can't get beef drippings or tallow (rendered fat), use another type of fat or oil. 

For another recipe from Poppy, check out her Crispy Parmesan Potato Cubes. And click here for her recently released cookbook, Poppy Cooks

Ingredients

  • 3 1/3 pounds russet or Idaho potatoes
  • Sea salt
  • 7 ounces beef drippings or beef tallow (see Tip), melted
  • 1 quart vegetable oil

Yield

Serves: 4 to 6

Preparation

Preheat the oven to 275°F. Line the bottom and sides of a 2-pound loaf pan with parchment paper and set aside. 

Peel and thinly slice the potatoes and place in a large bowl. Stir 1 tablespoon salt into the melted beef drippings, pour over the potatoes and give it a good toss with your hands. Layer the potato slices, one by one and slightly overlapping, in the prepared pan. Place a piece of parchment directly on top of the potatoes and bake until tender, about 3 hours. 

Weigh down and compress the potatoes by placing some cans or other objects on top of the parchment and leave in the fridge for 12 hours to set. 

When the potatoes are ready, heat the oil in a deep fryer or pot until it reaches 375°F.  

Meanwhile, remove the cans and top layer of parchment, turn the pan upside down on a cutting board and carefully unmold the potatoes. Remove the other layer of parchment and carefully cut the potatoes crosswise into slices about 1 inch thick. (You can also cut them into little chunks or chip shapes, if you like.) 

Working in batches, fry the slices until golden on all sides and super crispy, about 1 minute. Transfer to a paper towel-lined plate to drain, sprinkle with salt and serve with anything you fancy. It's also good enough to eat on its own.