Separate the eggs, stir the egg yolk with 1 tablespoon of water, the sugar and the vanilla sugar until frothy, mix the flour with the baking powder and sift over the egg-sugar mixture and stir well. Beat egg white until stiff, fold in carefully, fill the dough into a springform pan or silicone baking pan (Ø 26 cm) lined with baking foil and bake in the preheated oven at 180 ° C on the middle rack for about 20 - 25 minutes.
Cover as desired.
The dough becomes about 3 cm high when you bake it, not like other diet bases
WW-suitable 27 pro points for the whole dough - 2 PP per piece