1 lemon, finely grated zest only
2 tbsp fresh lemon juice
200g/7oz plain flour
2 tsp baking powder
200g/7oz caster sugar
150驳/5陆辞锄 desiccated coconut
320驳/11陆辞锄 icing sugar
pinch salt
12 large marshmallows
200g/7oz unsalted butter, softened
3 large free-range eggs
3 tbsp milk