What is the difference between a cake embryo and premium buttercream as: a cake embryo is a cake layer inside a cake, i.e., a cake without buttercream that hasn't been layered with toppings. Cake embryo is a great alternative if you don't like buttercream. Cake embryo as a base, smeared with buttercream, with decorations, fruits, can be made into a cake. Cake is an ancient pastry, usually made by the oven, the main ingredients are eggs, sugar, wheat flour. And premium cream is generally said to be animal cream. It is healthier. It has a better texture, flavor-wise, than regular phyllo butter. The two are not the same thing.