Cocktail Recept: Blue jeans

A Blue jeans cocktail contains the following ingredients:

• 2 cl. Blue Curacao 
• 2 cl. Vodka 
• 5 cl. Pineapple juice
• 5 cl. Grapefruit juice
• 1 pair Ice Cubes

Put some ice cubes in a shaker.
Add the remaining ingredients, except the pineapple juice.
Then shake the mix vigorously.
Pour the mixture through a strainer into a cocktail glass.
Complete the cocktail with pineapple juice to taste.
Serve the cocktail immediately.