Little Q Hot Pot and Szechuan House At the city’s shabu-shabu joints, it’s advisable to stick with fattier meats, guaranteed to enrich even the most watery soup as they cook and surrender their marbling. By contrast, the black bone chicken broth at this East Arlington hot pot hot spot starts out so rich and supple and gloriously unctuous that you could pair it with tofu and still leave feeling adequately naughty. 196 Massachusetts Avenue, Arlington, 781-583-1367, http://littleqhotpotma.com