200g/7oz blackcurrant jam
½-1 tsp black food colouring paste
80g/3oz plain flour, sifted
75²µ/2½´Ç³ú caster sugar, plus extra for sprinkling
70²µ/2½´Ç³ú icing sugar
225g/8oz icing sugar
75²µ/2½´Ç³ú self-raising flour
1 tsp liquorice essence
½ tsp liquorice essence
70²µ/2½´Ç³ú unsalted butter, softened
75²µ/2½´Ç³ú butter, softened
3 large free-range eggs, at room temperature
2 free-range egg whites
1 tbsp milk