Ingredient:

50ml/2fl oz vodka
15ml/1 tbsp freshly squeezed lime juice
2 handfuls ice
ginger beer, to taste
2 dashes of Angostura bitters (optional)
fresh mint sprig, to garnish (optional)

Method:
 
Pour the vodka and lime juice into a cocktail shaker filled with ice.
A ‘wet shake’ is required here to combine the ingredients. Shake vigorously for 8-10 seconds.
Pour the vodka and lime mixture into a collins glass over fresh ice.
Top with ginger beer, then gently stir the ingredients to combine everything.
If using, add the Angostura bitters on top before garnishing with the fresh mint.