Sloe gin, used in this drink from Josephine House, Austin, is a liqueur made by steeping sloe berries (sour wild plums) in gin with some sugar.
Add sloe gin and dash of orange bitters to a rocks glass filled with ice. Add tonic water; stir to combine. Garnish with a lemon wedge.
2 ounces sloe gin (preferably Plymouth)
3–4 oz. tonic water
1 lemon wedge
Dash of orange bitters