2 tbsp elderflower cordial
100驳/3陆辞锄 gooseberries, trimmed
75驳/2陆辞锄 plain flour
4 tbsp caster sugar
120g/4oz ground almonds
150驳/5陆辞锄 icing sugar
icing sugar, to dust
100驳/3陆辞锄 unsalted butter, melted, plus extra for greasing
6 free-range egg whites, lightly beaten