Madeleine cake (shell cake) is a French-style small dessert originally used for home cooking. The man who promoted it to cake halls around the world must be considered the great French writer Proust. Proust's taste memories of shell cakes led him to write a long literary masterpiece "In Search of Lost Time", which also pushed shell cakes onto the stage of history.

According to rumors, shell cakes (madeleines) are also known as (Madeleine mercy). It is said to be a snack full of family flavor in the city of Commercy in France. In 1730, when the gourmet King of Poland Leguczynski was in exile in the city of Mersey, one day his personal chef slipped away during the dessert. At this time, a maid made a temporary bakery. She gave her specialty snacks out for emergency use. Unexpectedly, they were very popular with Leguchensky, so she used the name of the maid, Madeleines, in the name of the snacks, and Madeleines (madeleines) also means shells. Cake's real name.