1. Blueberries are washed and broken by food processors. I pressed it with IKEA garlic press ~ ~ ~

2. Put mint leaves and sugar into the bottom of the glass and mash it with a tamper.

3. Add crushed blueberries, lemon juice, rum and ice cubes to the cup. Finally, pour soda water.

4. The cup mouth can be decorated with mint leaves and lemon wedges. Stir evenly