Vanilla Milkshake

• 1 vanilla pod or ½-1 teaspoon vanilla extract, to taste
• 500 ml

If using a vanilla pod, cut it in half lengthways and scrape out the seeds. Put the vanilla seeds and pod, or the vanilla extract, into 100ml of the milk in a small saucepan. Bring to the boil and simmer gently for 3-4 minutes, then remove from the heat and leave to cool. Remove the vanilla pod, if using. Blend the vanilla-flavoured milk in a food processor with the rest of the milk and the ice