Decadent Chocolate Cream

This is a very old recipe from one of my aunts. The cream needs to set so you must make it at least 24 hours ahead, but it can keep in the refrigerator for up to 3 days so it's perfect when you need to plan for a party. It will serve about 6 people.Decadent Chocolate Cream12 oz. semisweet chocolate, grated or chopped1/2 cup butter, softened3 egg yolks3 tablespoons waterMelt chocolate over a