This is an absolute gorgious dessert that A made for P's birthday:
Preheat oven to 150º C. Beat 4 eggwhites to soft peaks. Gradually add 225 grams of castor sugar until the eggwhites are shining. Sift 6 teaspoons of cornflour into the mixture and fold it in, together with 1 tsp white vinegar. Scoop into a round mold, lined with baking paper. Put in oven, reduce the temperature to 120 º C, and cook for 1 hour. Turn the oven off and allow meringue to cool. Spread real French crème fraîche on top and cover with red currants or other summer fruit. Serve immediately.