1 (1.5 fluid ounce) jigger cherry vodka
1 (1.5 fluid ounce) jigger triple sec
1 dash grenadine syrup
4 fluid ounces cranberry juice
Pour the vodka, triple sec, grenadine, and cranberry juice into a cocktail shaker over ice. Cover, and shake until the outside of the shaker has frosted. Strain into a chilled martini glass to serve.