Contest-Winning Mocha Fondue

Directions

1. In a heavy saucepan, combine the first five ingredients; cook and stir over medium heat until chips are melted. Remove from heat. In a small bowl, whisk a small amount of hot mixture into egg yolks; return all to pan, whisking constantly. Cook and stir until a thermometer reads 160°.
2. Transfer to a fondue pot and keep warm. Serve with cake and fruit.