Hot chocolate in NYC to try, from Dominique Ansel Bakery, Van Leeuwen, more

Step away from the Swiss Miss mix.

Don’t be basic and order the plain stuff to celebrate National Hot Chocolate Day on Jan. 31. Especially not when we’ve rounded up some of the more unique varieties — from cups bedecked with “blossoming” marshmallows to vegan alternatives with coconut sugar — city bakeries and ice cream shops are selling.

With temperatures regularly dipping below freezing in recent weeks, we know you’ll be seeking these before and beyond the one-day holiday: