Ingredients

How to make it

  • For the streusel:
  • 1. Combine all ingredients in a medium bowl. Mix until butter is incorporated, then place in the refrigerator until ready to use.
  • For the gratin:
  • 1. Heat the oven to 400°F and arrange the rack in the middle. Coat a 13-by-9-inch baking dish with butter and set aside.
  • 2. Pour cream into a large bowl and set aside. Slice squash and celery root into 1/4-inch-thick pieces with a mandoline or sharp knife, placing into cream as they are cut. Toss until well coated.
  • 3. Melt butter in a medium frying pan over medium heat. When it foams, add onion and season well with salt and freshly ground black pepper. Sauté until soft and translucent, about 5 minutes; set aside.
  • 4. Construct gratin by ladling 1/3 of the squash and celery root mixture into the baking dish, then seasoning well with salt and freshly ground black pepper. Top with 1/2 of the onions, then another layer of squash and celery root. Season second layer with salt and freshly ground black pepper and cover with remaining onions. Place the last of the squash and celery root on top and press down to create an even surface. Season with salt and freshly ground black pepper, then pour remaining cream over top.
  • 5. Sprinkle streusel evenly over gratin. Bake until vegetables are soft and streusel is golden brown, about 35 to 40 minutes. Let sit at room temperature for about 20 minutes before serving.

Reviews & Comments 4

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  • chefwannabeone 14 years ago
    I love squash especialy around thanksgiving. Will be trying this for sure. Have lots of butternut squash from my garden.
    Thanks for posting.
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  • lisapa 15 years ago
    You should really attribute this to Chow.com, since you didn't change a thing. The description is even identical. http://www.chow.com/recipes/11149
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    " It was excellent "
    greekgirrrl ate it and said...
    Sounds delicious!
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    " It was excellent "
    boofie ate it and said...
    Wow this sounds amazing and decadent. Thank you for posting! High 5!
    Was this review helpful? Yes Flag

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