Stir in the vanilla extract and serve chunky. If you don't want whole blueberries in your syrup you can puree it to thin it ...

Immediately strain the sauce into the bowl in the cold water bath to stop the cooking. Scrape the vanilla seeds into the sauce. Serve right away or refrigerate until chilled.

For the ice cream, place the milk, cream and vanilla seeds into a ... in the freezer until needed. For the sauce, place 200ml/7fl oz of the reserved sugar syrup into a pan with the cordial and ...