Weigh out 12g of agar powder

Place powder into a 1.5L or 2L saucepan

Add 1L of cold water and stir

Heat mixture with a lid on, keep stirring as it heats, and bring to the boil

Simmer for 1-2 mins and watch it as it boils - stir again - the mixture should go clear but won’t be completely colourless

Take the pan off the heat but leave the lid on

Cool for several hours with the lid on

Make balls of jelly by scooping with an ice-cream scoop and place in a bucket