4 lemons, juice only
4 lemons, zest only (in long thin strips)
350g/12oz caster sugar
100驳/3陆辞锄 caster sugar, plus extra for coating the zest
2 level tsp cornflour
2 tsp white wine vinegar
30 chocolate mini-eggs
225g/8oz butter
450尘濒/戮辫颈苍迟 double cream
6 free-range egg whites
6 free-range egg yolks