1. Dissolve a box of [Robert] gel powder in about 200ml boiling water and stir until the gel powder is completely dissolved.

2. Make ice cubes with about 250 ml of water in advance, pour the ice cubes into the above solution and stir again until the ice cubes are completely dissolved.

3. Put it in the freezer of the refrigerator, and it will be delicious [Robert] gel after half an hour.