spicy vodka sauce

P normally cooks at our place because he's actually really good (for one of our first dates, he made Shrimp Vol-au-Vent to start), but every once in a while, I come across a recipe that I'd like to try. Most of the time, they do not turn out great, but this one―a recipe for pasta with spicy vodka sauce―was so easy and delicious and turned out so well that I've made it twice already ...