Ben & Jerry’s Special Stash Marshmallow Moon Ice Cream! Available starting today, Ben & Jerry’s Special Stash series is kicking off with Marshmallow Moon, a new Jimmy Fallon inspired flavor. It features Vanilla Ice Cream with Marshmallow & Graham Cracker Swirls & Fudge Chunks. You can only buy these at Ben & Jerry’s Scoop Shops or online at benjerry.com while supplies last!