1 tbsp maple or golden syrup
3 tbsp plain flour
50驳/1戮辞锄 soft light brown sugar
3 tbsp cocoa powder
50驳/1戮辞锄 dark or milk chocolate chips
录 tsp sea salt flakes
1 tsp vanilla extract
50驳/1戮辞锄 walnut pieces
50驳/1戮辞锄 unsalted butter
1 large free-range egg