Quadruple the recipe and make into a pretty glass pitch and share with friends!
Take 10 large mint leaves and divide into two glasses.
Add 1/2 cup blueberries (divided) and sugar (divided) muddling until mint has started to release oils and sugar is saturated.
. Add lemon juice and stir until sugar is dissolved.
Add Gin and stir.
Fill with crushed ice and top with club soda and stir well. Garnish with remaining blueberries and mint leaves with lemon slices.