Celery Root and Potato Purée

Celery root, or celeriac, with its strong flavor, is often mixed with potato in a white purée, which goes well with meats, especially flavorful ones such as roast beef, goose, and above all wild boar and other game. Try to find celery root that’s young and white all through rather than old and threaded with tan fibers. And choose a drier, more floury po…