Preheat the oven on 225 °C/200 °C fan. Line a biking tray with baking paper.
Whisk the egg and milk. Set ½ tbsp aside to coat the scones.
Combine the flour, baking powder, vanilla sugar and sugar in a large bowl. Add a small pinch of salt. Add the butter and use knives or a fork to mix with the flour mixture.
Add the egg-milk mixture, minus the little bit you set aside, to the bowl. Knead well until you have an smooth dough.
Roll the dough until it is 1.5 cm thick. Use a glass or round cookie cutter to cut create 8-10 rounds. Place these on the baking paper. Cover with the remaining egg and milk mixture.
Bake the scones in the middle of the oven for about 10 minutes.Serve with: lemon curd, whipped cream, kokos yoghurt, raspberry/strawberry jam, fresh strawberries or blueberries.