<http://schema.org/recipeInstructions>
" In 6- to 8-quart saucepot, combine potatoes and celery root. Add enough cold water to cover by 1 inch. Heat to boiling on high. Reduce heat to medium-low; cover and simmer 15 to 17 minutes or until tender. Drain well. Return vegetables to saucepot. Add cream, margarine, 1 teaspoon salt, and 1/2 teaspoon freshly ground black pepper. With potato masher, mash until smooth and creamy. To serve, transfer to serving bowl; sprinkle with chervil.For a creamier texture, pass vegetables through a food mill, then stir in the cream, butter, and seasonings."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.goodhousekeeping.com/food-recipes/a8533/potato-celery-root-mash-recipe-ghk1110/?src=shelter_footer>