1 1/2 cup of Vodka
3/4 cup of St Germain (or Elderflower Cordial)
1 cup of blueberries
1/2 cup of mint leaves
lemons
limes
Slice 2 lemons and 2 limes into rounds. Using a muddler or the handle of a wooden spoon, coarsely mash blueberries, lemons, limes, and mint in a large pitcher. Stir in vodka and St. Germain. Divid the drink among 6-8 highball glasses filled with ice and garnish each with a mint sprig.