Homemade infused vodka is a technique of long tradition in Scandinavia and one of the simplest drink experiments you can try in a home kitchen. Buy some good everyday vodka (Skyy or Absolut), pour it in a jar, and add fruit, berries, or herbs. —Loulies
Spread cardamom seeds on a cutting board and crush lightly with the flat broadside of a large chef's knife. Pour vodka into a 2-quart jar, and then add cardamom pods and ginger. Cover tightly with lid and shake gently. Place in a dark, cool area and shake gently every few days. After two weeks, strain infused vodka into a clean bottle. Use immediately, or allow to age further if desired.