Preheat your oven to 180°C and line a baking sheet with greaseproof paper. Write or print out 12 fortune messages on small, thin strips of paper.
In the Kenwood Chef mixing bowl, attach the balloon whisk and add the oil, egg whites and vanilla extract, mixing on a medium speed until fully combined and frothy.
In a separate bowl, sieve the flour and cornflour and add the caster sugar.
Replace the whisk with the K-beater and add the dry ingredients to your mixing bowl. Mix on a medium speed until fully combined.
With a metal spoon, spread one tablespoon of mixture onto your baking sheet until you have a 10cm circle.
Optional, sprinkle the sesame seeds around the edge of the circle. If you prefer to keep the cookies plain, skip this step.
Repeat this process until you have 4 separate circles on your baking sheet. You will need to cook these in batches.
Bake in the oven for 5 minutes until just turning golden round the edge.
Remove from the oven and quickly peel the cookies from the lined tray. Place a fortune strip in the centre, fold the cookie in half and then curl the edges round to resemble the fortune cookie shape, pinching to seal the ends. Put these in a cupcake or muffin tray to set.
Repeat the process with the rest of your mixture and allow the cookies to set.