Beat the egg white until stiff, fold in the sugar, mixed with vanilla sugar, tablespoon at a time and beat for about 15-20 minutes.
Line baking trays with parchment paper and form small meringues with the piping bag. Then in the oven for about 70 - 120 minutes at 100 ° C. Very important: Put a wooden spoon in the oven door so that the moisture can escape!
I make eggnog with the egg yolks at the same time!