A sweet sour cocktail inspired by the Agatha Christie short story – The Red Signal.
3 parts cranberry juice
3 parts pink grapefruit juice
2 parts vodka
Lemon and lime quarters
Ice cubes
Mixed berries for garnish
Shake the juices and vodka in a cocktail shaker over ice.
Gently muddle the lemon and lime quarters in a highball glass to release some of their citrus oils and some juice. Add ice cubes to the glass.
Strain the cocktail into the glass and give a light stir.
Garnish with mixed berries of your choice.