Enjoy Little Monster’s Yummy Yoghurt Freeze, an easy recipe to make with the kids. 1. Microwave the blueberries for 30 seconds and then leave to one side to cool (a grown-up should do this ...

The puddle is actually whey (as in, whey of Little Miss Muffet fame). Dr. Rajan explains that when making yoghurt, you have to separate the more solid curds in milk from its runnier whey.