Ruby Martini - cooking recipe

Ingredients

2 ounces pink grapefruit juice (I prefer Ruby Red Grapefruit Juice Cocktail)
1 1/2 ounces citrus-infused vodka (Smirnoff)
1/4 ounce Grand Marnier
1/4 ounce simple syrup
ice cube

Preparation

In a cocktail shaker, combine the grapefruit juice, vodka, Grand Marnier, and sugar syrup.
Add ice; cover and shake until very cold; strain into a chilled martini glass.