First wash the rhubarb, peel and cut into pieces approx. 1 cm in size. Mix well with the 2 tablespoons of sugar in a bowl.
For the dough, stir together the butter, sugar, vanilla sugar, lemon zest and amaretto until frothy. Mix in the eggs one at a time. Add the cream cheese and stir in as well. Mix the flour and baking powder and fold in.
Pour the dough into a springform pan (28cm diameter) and smooth it out.
Cover with the rhubarb pieces and sprinkle the almond sticks over them.
Bake in the oven at 180 degrees for about 30-40 minutes.
Spread the heated apricot jam immediately after baking and allow to cool.