Wikipedia
Bienenstich
Bienenstich or Bee sting cake is a German dessert made of a sweet yeast dough with a baked-on topping of caramelized almonds and filled with a vanilla custard, Buttercream or cream.
The cake may have earned its name from its honey topping: according to one legend, a bee was attracted to it, and the baker who invented the cake was stung.
Another source cites a legend of German bakers from the 15th century who lobbed beehives at raiders from a neighboring village, successfully repelling them, and celebrated later by baking a version of this cake named after their efforts.