Put flour, baking powder, sugar, vanillin sugar, salt, eggs, oil, 80 ml lemon juice and zest and Hermann dough in a bowl. Mix with the whisk of the hand mixer to a smooth dough. Grease the recesses of a muffin baking tray (12 troughs) well and dust with flour. Pour in the dough. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 20-25 minutes.
Let the muffins rest in the baking tray for 5-10 minutes. Then take them out of the moulds and let them cool down on a cake rack. Mix icing sugar with approx. 30 ml lemon juice and egg white to a smooth glaze. Spread the tartlets with it. Place the jelly babies in the still moist icing, allow to dry
Waiting time approx. 1 hour