Sorry, this is a man's recipe, no exact measures ;).
Mix a coffee mug of each, flour, sugar and eggs (about 4 or 5)
Add a teaspoon of vanilla sugar, another teaspoon of baking soda
Pour into a baking tray with baking paper on, max 1 centimetre thick
Put in oven, our fan-assisted oven needed about 15 minutes on 200 °C
Stick a match to cake, if it comes out dry it's ready
Whip some cream, add some natural yoghurt
Put a thick but even layer of cream on top of the cake
Add whatever berries or jam/marmalade you happen to find
Start rolling the cake which is still on baking paper, wet the paper with lukewarm water from outside to make it loosen easier
Keep rolling!
Sprinkle with sugar to decorate (Tip: dip baking brush in juice, wet the...