The Garden Mule ( a fresh take on the Moscow Mule)

4 slices cucumber
16 blueberries, divided
6 mint leaves, plus sprig for garnish
2 ounces vodka
1 ounce lime juice
1/2 cup ginger beer (preferably Fever Tree or Maine Root—something spicy and not too sweet)
1 piece candied ginger, for garnish

Put the cucumber, 8 blueberries, and mint leaves in the bottom of a cocktail shaker. Muddle until crushed and juicy. Add a handful of ice, vodka, and lime juice. Cover the shaker and shake for about 15 seconds.
Fill a Moscow Mule mug with ice. Strain the liquid from the shaker into the mug.

Top with ginger beer and 4 blueberries.

For garnish use a sprig of mint.