Ash-Roasted Celery Root is a Sweet Start to Fall at Cleveland's Trentina

Celery root, onions, parsley and almonds. They don't sound like the makings of a great plate, but roast the celery root and onions in a wood-fired oven, lightly smoke the almonds, dress everything with a little whey sauce, and you have a perfect early fall appetizer that is sweet, smoky, simple and hearty, as demonstrated at Jonathon Sawyer's Cleveland spot, Trentina