Stuffed Puffs, the chocolate-filled marshmallow brand that debuted this summer at Walmart, is breaking ground Nov. 19 on a new 150,000-s.f. plant in Bethlehem, Pennsylvania. Stuffed Puffs are the creation of Mike Tierney, who thought that putting chocolate inside marshmallows allows the chocolate to melt while the marshmallow roasts, leading to an easier, cleaner, faster […]