Cocktail Recept: Harvard cooler

A Harvard cooler cocktail contains the following ingredients:

• 3 cl. Calvados 
• 2 cl. Lemon juice
• 1 cl. Sugar syrup
• 12 cl. Ginger ale
• 1 pair Ice Cubes

Put some ice cubes in a shaker.
Add the remaining ingredients, except the ginger ale.
Then shake the mix vigorously.
Place some ice cubes in a highball glass.
Pour the mixture through a strainer into the glass.
Add ginger ale to the cocktail to taste.
Stir everything well.
Present the cocktail with a straw.