December 9, 2011 No Comments FREE Ice Cream Cupcake at Marble Slab Creamery (12/15) Stop by a participating Marble Slab Creamery on National Cupcake Day Thursday, December 15th, 2011 between 4-7 pm to score a FREE Ice Cream Cupcake. Locations. FREE Ice Cream Cupcake at Marble Slab Creamery (12/15) – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.