There are 16 verbs in French that require être rather than avoir in the passé compose. Sometimes there is a passé. Passé uses être to talk about physically passing by something. These irregular verbs also must agree in gender and in number.
Chocolate Sponge Cake is also known as Chocolate biskvit. It is very similar to traditional white biskvit except you add cocoa powder and less flour to make a perfect chocolate sponge cake layers that can serve as a base for many different chocolate cake