In heavy saucepan or microwave, melt broken chocolate with half and half; set aside to cool. In double boiler, over simmering water, beat egg yolks with hand mixer. Gradually add sugar, beating on high until creamy. Add Marsala, stirring to heat ..

In heavy saucepan, combine broken chocolate, wine and sugar; heat, stirring until blended. Heat to boiling; cook one minute. Remove from heat. With wire whip, quickly stir in egg yolks. Return saucepan to low heat; stir until slightly thickened. Serve sauce ..

In a double boiler over low heat, beat the egg yolks with the sugar until foamy. Melt the chocolate in a second double boiler. Add the sherry and cream. Slowly pour the chocolate mixture into the eggs. Whisk continuously until mixture thickens, cool then ..