Chill your martini glasses first.

Fill a cocktail pitcher with ice cubes.

Add vermouth and then add gin.

Stir and strain into glasses.

Add olives.

* Vermouth is wine infused with herbs, alcohol, sugar, caramel and water according to specific recipes in Italy and France.There are thee types of Vermouth: Dry vermouth is white, usually 18 percent alcohol (36 proof) and contains at most 5 percent residual sugar. It`s drunk as an apéritif and is a vital part of the dry Martini. Sweet vermouth is white (bianco) or red (rosso) and is usually 15-16 percent alcohol (30-32 proof) with up to 15 percent sugar. It is also used as an apéritif as well as in slightly sweet cocktails such as the Manhattan. Half-sweet vermouth. Note: One of the major producers of vermouth is the company Martini, not to be confused with the Martini cocktail.