6 lemons, zest and juice
225g/8oz plain flour
250g/9oz caster sugar
225g/8oz caster sugar
65²µ/2ΒΌ΄Η³ϊ cornflour
2 tsp cornflour
45²µ/1ΒΎ΄Η³ϊ icing sugar
175g/6oz butter
1 large free-range egg, beaten
4 free-range egg whites
6 free-range egg yolks