1. Put the blueberries and water into the food processor, select the fruit and vegetable juice button to run to the end
2. Melt the gelatine powder by adding proper amount of boiling water, pour half of the gelatin liquid into blueberry juice, and the other half of the gelatin liquid into milk
3. Keep in the refrigerator until set
4. Take out and poke the two kinds of jelly with a fork, and put them into a glass in layers.
