Mix cream, milk and espresso in heavy medium saucepan. Heat, stirring occasionally, over medium heat until hot. Add sugar and heat, stirring constantly, until sugar is completely dissolved. Add chocolate and butter and heat until chocolate is completely melted and sauce is slightly thickened. Do not allow to boil. Serve sauce with fruit for dipping. Reheat in top of double boiler over simmering water; if necessary, thin with 1-2 Tb. cream. Total calories per 1/3 cup=392, Protein 16 cal=4g, Fat 252 cal=28 g, Carb 124 cal=31 g, Sodium 17 mg dess 82