Martini - cooking recipe

Ingredients

2 1/2 fluid ounces gin
1/2 fluid ounce dry vermouth
1 pitted green olive
1 cup ice

Preparation

Scoop ice into a shaker. Pour in gin and vermouth. Cover shaker, and gently shake to mix vermouth and gin. Pour drink, without ice, into a cocktail glass. Gently drop olive or lemon twist into the glass. Serve.