200g/7oz blueberries
a few mint leaves, to decorate (optional)
50驳/1戮辞锄 pomegranate seeds
300驳/10陆辞锄 raspberries
200g/7oz strawberries, hulled and quartered
350g/12oz caster sugar
1 tsp cornflour
50驳/1戮辞锄 icing sugar, sifted
icing sugar, for dusting
1 tsp vanilla bean paste
1 tsp white wine vinegar
600ml/20fl oz double cream
6 large free-range egg whites