450g/1lb plain flour, plus extra for dusting
100²µ/3Β½΄Η³ϊ caster sugar
glacΓ© cherries, halved, or sugared gem sweets
250g/9oz icing sugar
Β½ tsp vanilla extract
250g/9oz butter, at room temperature
1 free-range egg
3 tbsp full-fat milk (optional)
Scottish raspberry jam, for spreading