Preheat oven to 150 degrees C. Line a baking tray with baking paper.
In large bowl, beat egg whites until stiff, but not dry. Gradually beat in sugar until a little of the mixture between your thumb and forefinger feels smooth, not gritty. Stir in vanilla. Pipe or spoon small portions onto baking tray and bake 35 minutes, or until dry but not brown. Turn off oven and leave meringues to cool inside.