Ina’s recipe for cosmos is my “go-to recipe” for any variation I make of the drink. I use more cranberry juice than she does, since I usually like a greater juice-to-liquor ratio than most people, and for two drinks it’s simply:
1/2 cup vodka
1/4 cup triple sec
1/2 cup cranberry juice
1/8 cup lime juice
I often replace the plain vodka in this recipe with cranberry vodka, and I think I like that version even better. Friday night I had an awesome blueberry cosmo at a restaurant downtown, and I knew I was going to have to recreate it at home. I simply replaced the usual cranberry vodka with blueberry vodka, and voilà: blueberry cosmopolitan.
There’s a lot more you can do with this recipe—it’s as versatile as it is delicious. Ina makes a great pomegranate version, as well.