Cook and stir the chocolate and butter in an 8-inch heavy skillet over low heat for 5 minutes or until the chocolate is melted and smooth.
Pour the chocolate mixture into a fondue pot or a serving bowl.  Serve warm with the Dippers. Suggested Dippers: Pepperidge Farm® Cinnamon Swirl Bread, toasted and cut into strips, Pepperidge Farm® Chessmen® Butter Cookies, Pepperidge Farm® Gingerman Cookies, Pepperidge Farm® Milano® Cookies.