Front Burner: A Cart to Serve Steamy French Chocolate
La Maison du Chocolat, the Parisian confectioner, is setting up a hot-chocolate cart that will alternate its location in front of its Upper East Side shop from 2 p.m. to 5 p.m., and the sidewalk in front of the nearby Surrey hotel from 10 a.m. to 1 p.m. on Wednesdays through Sundays, until Dec. 16.…