Step 1.
- In a large mixing bowl, combine the fresh blueberries and muddle gently to release their juices.
Step 2.
- Add the rum and blueberry syrup to the muddled blueberries.
Step 3.
- Pour in the lime juice and club soda, then stir gently to combine.
Step 4.
- Fill a punch bowl or a large glass with ice, then pour the mixture over the ice.
Step 5.
- Garnish with fresh blueberries and mint leaves before serving.