The difference between mousse cake and buttercream is as follows, mousse cake is more delicious, some mousse cake and buttercream cake, the difference between them lies in the raw materials, although they are all cakes, but buttercream cake, which uses the material is mainly buttercream, mousse cake with most of the gelatine or mousse powder to be made, so it is also if its ingredients are more than the buttercream ingredients. Buttercream has more ingredients than mousse cake, so the flavor of mousse cake is better. In terms of taste, cream cake its texture is more smooth, mousse cake, it is more silky, and eat in the mouth will be melted, its degree of refinement is also better than the cream some, so eat mousse cake taste and eat cream cake taste is not the same, and mousse cake its texture is more delicious some. Also lies in their process, their process, although the cream, but the process is very simple, open the eggs and then put on the milk, so that can be whipped into cream, however, the mousse cake, its process is also very complex, in the production of some other ingredients, such as whipping after the development of the mousse, its process is also very difficult, and they are in the preservation of the temperature is also different. Like cream cake, save at room temperature, is a longer time, mousse cake, it must be placed at a low temperature to save, generally at about ten degrees can, if the temperature is lower than this temperature, the mousse it will melt away, so we usually eat mousse cake, must be kept at a low temperature to be, or else it will melt away to affect the texture of the cake, so compared to the mousse cake, it tastes better! So compared to the mousse cake, it tastes better. When we buy the cake should also be based on their own taste to choose, some people like to eat cream cake, some people like to eat mousse cake, but also according to there is no sugar to choose, so we buy mousse cake when we must be placed in a low-temperature cold storage, or else it will melt away, it is not good for its taste, the above is the difference between mousse cake and cream cake.