Ugly Veggie Mash

Beauty is only skin-deep when it comes to root veggies. This dish honors three of the most under appreciated—and least attractive—roots in the produce department. Celeriac (celery root) is creamy with a delicate celery taste. Rutabagas have a texture akin to a waxy potato with a slight spice, similar to a turnip. (They need to be peeled because their purple-and-white skin is often waxed to lengthen shelf life.) And parsnips are pale, sweeter cousins of the carrot. Simmered in broth and roug