Trim the ends off the courgette and slice it. Pop it into your blender. Hull the strawberries and add them to the blender. Halve the dates and scoop out their stones. Roughly chop the dates and add them to the blender. Tuck the baby leaf spinach in around the fruit and veg.
Pour in 250ml cold water and add a few ice cubes. Blitz till smooth. Serve straight away.