Steps
1. In a sturdy glass, muddle the blueberries, mint leaves, lime juice, and erythritol together until the berries are crushed and the mint is fragrant.
2. Fill the glass with ice cubes.
3. Pour the white rum over the ice.
4. Top with sparkling water and gently stir to combine.
5. Garnish with a sprig of mint and a few whole blueberries.
6. Serve immediately and enjoy your refreshing keto blueberry mojito.