He has a new book but the review at Washpo is behind a paywall.
" Kwame Onwuachi is best known in DC for his comeback story. After his pricey tasting menu restaurant, the Shaw Bijou, flamed out in less than three months, the then-27-year-old chef rebounded with Kith and Kin, an acclaimed Afro-Caribbean restaurant at the Wharf. In his memoir, Notes From a Young Black Chef (available April 9), Onwuachi delves deeper into his backstory…"