Dissolve the chocolate in the top of a double boiler. 在双层蒸锅的上层锅内融化巧克力。
The cream is made by whipping egg yolks and sugar together until the yolk is almost white, adding hot milk little by little, and cooking in a double boiler. 这种奶油通过打发鸡蛋黄和糖知道蛋黄几乎变白，一点点加入热牛奶，在一个双层蒸锅中蒸煮。
