1 lemon, zest only
½ lemon, juice only
30g/1oz plain flour
100²µ/3½´Ç³ú caster sugar (plus extra for sprinkling)
100²µ/3½´Ç³ú caster sugar
1 tsp rosewater
1 vanilla pod, split
50g/2oz butter, plus extra for greasing
3 free-range eggs, separated
150ml/5fl oz whole milk
50ml/2fl oz white wine