Cocktail Recept: London fever

A London fever cocktail contains the following ingredients:

• 3 cl. Gin 
• 2 cl. Rum 
• 3 cl. Lime juice
• 1 cl. Grenadine
• 10 cl. Soda water
• 1 pair Ice Cubes

Have a pre-chilled cocktail glass ready.
Put some ice cubes in a shaker.
Add the remaining ingredients, except the soda water.
Then shake the mix vigorously.
Pour the mixture through a strainer into the cocktail glass.
Top up the cocktail with ice-cold soda water, to taste.
Then stir the mix carefully.
Present the cocktail with a straw.
Serve the cocktail immediately.