In a small saucepan heat the cream. Once it boils, remove from heat and add the broken pieces of chocolate. Stir well until the chocolate is melted. When a homogeneous mixture, chocolate sauce is ready. Cut the peeled apples into slices. Melt the butter in a skillet and saute the apples. Sprinkle with sugar and continue fry until golden. Serve with ice-cream and sprinkle with chocolate sauce.