1 lemon, zest only
100²µ/3Β½΄Η³ϊ lemon curd and/or jam
200g/7oz plain flour, plus extra to dust
100²µ/3Β½΄Η³ϊ caster sugar
100²µ/3Β½΄Η³ϊ unsalted butter, softened
1Β½ tbsp full-fat milk