AB's Martini

Place some crushed ice into the martini glass you will be serving in, and set aside. Place the 1 cup of crushed ice into a cocktail shaker. Pour in the vermouth and swirl it around, making as much contact as possible with the ice. Using a strainer , pour the vermouth out. Add the gin and stir well to combine. Remove the ice from your serving glass and add the olive . Using the strainer, pour the gin into the serving glass.