6 passion fruit
1 rounded tsp baking powder
175g/6oz golden caster sugar
1 level dessertspoon golden caster sugar
a little sifted icing sugar, for dusting
175g/6oz self-raising flour
陆 tsp vanilla extract
1 tsp vanilla extract
175g/6oz very soft butter
3 large eggs at room temperature
200ml/7fl oz fromage frais
250g/9oz mascarpone