Mix butter, sugar, vanilla sugar and marzipan for approx. 5 minutes until creamy. Add each 1 egg individually and stir in. Mix the flour, baking powder, lemon zest and salt, then add 3 parts alternately with the milk to the fat-egg-sugar mixture. Stir in briefly. Stir in the bitter almond oil. Fold in the raisins. Put the dough in a gugelhupf tin (or other form) that has been greased and sprinkled with breadcrumbs.
Bake in a preheated oven at 175 ° C for approx. 45 minutes to 1 hour. Let cool down.