1 tsp lemon juice
235ml/8¼fl oz golden syrup
125²µ/4½´Ç³ú plain flour
2 tbsp cocoa powder
2 tbsp icing sugar
235²µ/8¼´Ç³ú pecans, chopped
160g/5¾oz granulated sugar
1 tsp vanilla extract
80g/3oz dark chocolate, broken into pieces
135g/4¾oz cold unsalted butter, cut into roughly 1cm/½in cubes
45g/1½oz unsalted butter
vanilla ice cream or double cream, to serve
1 medium free-range egg
3 free-range eggs