Gunga Din

3 cardamom pods
20ml simple syrup
30ml London dry gin, preferably Old Raj 110
30ml pineapple juice
20ml lime juice
Tonic water (preferably Q tonic), to top
Pineapple fronds, to garnish
1. Combine the cardamom and simple syrup in a cocktail shaker and muddle until fragrant. Add the gin, pineapple juice, and lime juice. Add ice and shake until chilled, about 10 seconds. Fine strain into a tiki mug filled with ice. Top with tonic water and stir gently to combine. Garnish with pineapple fronds.