Citrus trees are laden with fruit right now, ask your neighbours if you can collect some and then ask them over for a drink.
- Half fill a cocktail shaker with crushed ice.
- Add 1 part gin and 2 parts freshly squeezed grapefruit (or other citrus) juice and gently shake.
- Pour into glasses and top with tonic water.
- Garnish with a sprig of mint.