2 tbsp apricot jam
150²µ/5½´Ç³ú plain flour
1½ tsp bicarbonate of soda
175g/6oz light brown sugar
55g/2oz caster sugar
160²µ/5¾´Ç³ú caster sugar
1 tbsp vanilla extract
1 tbsp white wine or spirit vinegar
50g/1¾oz melted butter, plus extra for greasing
80²µ/2¾´Ç³ú butter
200ml/7fl oz double cream
2 free-range eggs
200ml/7fl oz milk (preferably full-fat)
100ml/3½fl oz milk (preferably full-fat)
cream or ice cream, to serve (optional)