Celeriac and Apple Mash


Celeriac, an ugly duckling, makes a beautiful mash, right, with blue cheese and apple.


  • 1 ¾ cups homemade or low-sodium store-bought chicken stock

  • 1 cup water

  • 1 pound celeriac (also called celery root), peeled and cut into 1-inch pieces

  • 1 pound Yukon gold potatoes, peeled and cut into 1-inch pieces

  • 1 medium Granny Smith apple, peeled, cored, and cut into 1-inch pieces

  • 1 medium shallot, coarsely chopped

  • 1 dried bay leaf

  • Coarse salt

  • 2 tablespoons unsalted butter, room temperature

  • ¾ ounce blue cheese (about 2 tablespoons), such as Buttermilk Blue, Danish blue, or Roquefort, plus more for crumbling


  1. Bring stock, water, celeriac, potatoes, apple, shallot, bay leaf, and 1 teaspoon salt to a boil in a large pot. Cook until tender, about 10 minutes. Strain, reserving liquid; discard bay leaf. Return celeriac, potatoes, apple, and shallot to pot, and add 3/4 cup reserved cooking liquid. Coarsely mash with a potato masher.

  2. Using a fork, mash together butter and blue cheese in a small bowl. Stir into celeriac mixture. Season with salt.

  3. Spoon into a warm serving bowl, and crumble blue cheese over top.

Cook's Notes

Mash can be made up to 1 hour ahead; transfer to a heatproof bowl, cover, and set over a pan of barely simmering water, stirring occasionally.

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