1 grapefruit, zest only
1 grapefruit
1 grapefruit, zest grated and half the juice
75驳/2陆辞锄 caster sugar, plus extra for coating
200g/7oz caster sugar
75驳/2陆辞锄 caster sugar
25g/1oz ground almonds
50驳/1戮辞锄 icing sugar, sifted
210驳/7陆辞锄 self-raising flour
80g/3oz sugar
80g/3oz unsalted butter
200g/7oz double cream
3 large free-range eggs
4 large free-range eggs
100驳/3陆辞锄 mascarpone
125ml/4fl oz grapefruit juice (around 2陆 grapefruits)
75ml/2陆fl oz grapefruit juice (around 1陆 grapefruits)