Celery root (celeriac) is a knobby root vegetable with mild celery flavor that pairs nicely with apple and potato in this riff on classic mashed potatoes.
Cooked amaranth has a gelatinous quality that lends itself to pudding. If you have a chai spice blend on hand, substitute 1 teaspoon for the cardamom, cinnamon, ginger, and cloves.
