CELERY ROOT PURéE WITH TOASTED HAZELNUTS

Celery Root Purée with Toasted Hazelnuts image

Provided by Suzanne Goin

Yield Makes 8 to 10 servings

Number Of Ingredients 11

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3 pounds celery root, peeled, cut into 1/2" cubes
3 pounds russet potatoes, peeled, cut into 1" cubes
Kosher salt
2/3 cup heavy cream
2/3 cup whole milk
1/2 cup (1 stick) chilled unsalted butter, cut into 1/2" cubes
Freshly ground black pepper
1 tablespoon good-quality hazelnut oil
1/4 cup coarsely chopped toasted hazelnuts
Special Equipment
A food mill or potato ricer

Steps:

Place celery root and potatoes in a large heavy pot. Add cold water to cover; season with salt. Bring to a boil over medium-high heat. Reduce heat; simmer until vegetables can be pierced with a fork, 20-25 minutes.
Drain vegetables well. Pass vegetables through food mill or potato ricer into same pot.
Meanwhile, bring cream and milk just to a simmer in a medium saucepan; remove from heat. Stir vegetable purée constantly over medium-low heat until excess moisture evaporates, about 2 minutes.
Stir butter into purée a few pieces at a time, blending between additions. Remove from heat; slowly fold in cream mixture until a smooth purée forms. Season to taste with salt and pepper. DO AHEAD: Purée can be made 1 day ahead. Cover; chill. Rewarm in a microwave or in a heatproof bowl set over a large pot of simmering water.
Strain hot purée through a medium-mesh sieve into a serving bowl (this makes the texture especially smooth and creamy). Drizzle with oil; scatter hazelnuts over.