125驳/4陆辞锄 plain flour
1陆 tsp baking powder
150g/5oz caster sugar
25g/1oz cocoa powder
1 tbsp cocoa powder
125g/4oz icing sugar, sifted
25g/1oz icing sugar
陆 tsp vanilla essence
150g/5oz unsalted butter, softened at room temperature
25g/1oz butter, softened at room temperature
50g/2oz cream cheese
1 free-range egg
8 tbsp milk