150g/5oz blueberries
Cape gooseberries (optional)
mint sprigs, to decorate
3 passion fruit (optional)
200g/7oz raspberries
400g/14oz strawberries, hulled, halved if large
225g/8oz caster sugar
1 tbsp cornflour
sifted icing sugar, to decorate
陆 tsp vanilla extract
400ml/14fl oz double cream
4 large free-range egg whites