One of the better cafe hot chocolates can be found at the original Williamsburg Blue Bottle Coffee. Подробнее.
Black Brick, a gorgeous owner-operated cafe, built from reclaimed materials, has a good hot chocolate, made from Jacques Torres chocolate. Подробнее.
Boerum Hill, Brooklyn's Nunu is an independent shop that uses their fairly good chocolate, made right in the back, as the hot chocolate base. Ask them to whip it by hand, not with the steam wand. Подробнее.