By now you may have heard that, hot on the heels of opening Westlight on the roof of Williamsburg’s shiny new William Vale hotel, Andrew Carmellini has opened his bottom-floor restaurant, Leuca. Grub Street noted that the Italian spot is serving “New York’s most elegant sundae,” which will surprise no one who’s had the decadent, over-the-top La Fantasia di Doppio Cioccolato at one of the chef’s other spots, Locanda Verde.