Concord Cosmopolitan Martini - cooking recipe

Ingredients

2 1/2 fluid ounces vodka
1 fluid ounce Cointreau or other orange liqueur
4 fluid ounces Concord grape juice

Preparation

Pour the vodka, Cointreau, and grape juice into a cocktail shaker over ice. Cover, and shake until the outside of the shaker has frosted. Strain into a chilled martini glasses to serve.