If you plan on preparing this side dish the day before serving, reserve 1/4 cup of the cooking liquid and add it to the puree when reheating it.
Recipe information
Yield
Serves 4
Ingredients
1 1 1/4-pound celery root (celeriac), peeled, cut into 1-inch pieces
1 1/4 pounds russet potatoes, peeled, cut into 1-inch pieces
Salt
1/4 cup whipping cream
2 tablespoons (1/4 stick) butter
Celery salt
Preparation
Place celery root and potatoes in large saucepan. Cover with water; salt lightly. Boil until very tender, about 15 minutes. Drain vegetables, reserving 1/4 cup liquid. Return vegetables to same saucepan. Add cream and butter and mash until almost smooth. Season with celery salt and pepper. (Can be prepared 1 day ahead. Cover puree and cooking liquid separately and refrigerate. Stir puree over medium heat until heated through, adding reserved cooking liquid if mixture is dry.)