Put all the ingredients into a blender, and whizz until smooth, which takes about a minute!
This method includes the raspberry seeds. However if you or your child likes their drinks extra smooth, then press the mixture through a sieve to remove the raspberry seeds entirely.
Notes
Switch the raspberries to strawberries or the lemon to lime for a change.
Stores in the fridge for up to 3 days and the freezer in ice cubes for up to 3 months. It is handy to have some ice cubes stored at the ready for moments of feeling dehydrated.
Per serving. Nutrition content in food is never consistent, so take these estimates with a pinch of salt! Also, our recipes tend to use low-GI carbs and sugars, so these values are not directly comparable with shop-bought UPFs.