1 1⁄2 oz Genever
1⁄2 oz Elderflower liqueur, St. Germain
1⁄2 oz Lemon juice
1⁄4 oz Grapefruit juice
1 sli Lemon (wheel, as garnish)
Instructions
Shake all of the ingredients with ice, then strain into a chilled glass and garnish.
Nice and tart - not bad!