3 lemons, zest and juice only
2 lemons, juice only
2 oranges, zest only, plus splash of juice
4 satsumas, peeled and cut in half horizontally
115g/4oz instant polenta
1 tsp baking powder (gluten-free if necessary)
225g/8oz caster sugar
3 tbsp caster sugar
75-100g/3-4oz caster sugar, for dusting
225g/8oz ground almonds
icing sugar, for dusting
50-75驳/1戮-2陆辞锄 icing sugar, sieved
225g/8oz unsalted butter
3 free-range eggs, beaten
250g/9oz mascarpone
100ml/3陆fl oz orange juice