Here's how to do it:
Ingredients: 1 1/2 ounces Ketel One vodka, 1/2 ounce Tanqueray gin, 1/4 to 1/2 ounce Lillet Blanc
Do this for 2 drinks: Stir all the ingredients, strain into chilled cocktail glass.
If you’re feeling fancy: Garnish with a lemon twist.
Adapted from a recipe here.