Spit cake translates as "tree cake". Baumstriezel is made of a batter made with yeast, and has a caramel crust while the Baumkuchen is not baked with yeast but with baking powder, and has no crust of caramelized sugar. Baumkuchen has as its ingredients eggs, marzipan, sugar, butter and flour. Baumkuchen is served plain or with white sugar icing or covered with chocolate. This type of cake is known in Austria as Prügelkrapfen and in Luxembourg called Baamkuch, traditionally served on special occasions, such as weddings. The Austrian Prügelkrapfen or Prügeltorte is a variety of spit cake with a liquid base dough
Proportional cake-cutting economically efficient, i.e., maximize the social welfare (defined as the sum of the utilities of all agents). For example, consider a cake which contains 500 gram chocolate and 500 gram vanilla, divided between two partners one of whom wants only the chocolate and the other wants only the vanilla. Many cake-cutting protocols will give each agent 250 gram chocolate and 250 gram vanilla. This division is proportional because each partner receives 0.5 of his total value so the normalized social welfare is 1. However, this partition is very inefficient because we could give all the chocolate to one partner and