I enjoy cooking often. You can find my recipe list here.
I read a lot of books, most fantasy and sci-fi. My favorite authors, linking to my favorite book they wrote, are:
Less Wrong - Harry Potter and the Methods of Rationality
The Leviathan Chronicles - Technically not a book, but easily as good as one. Also free.
Tracy Hickman and Margaret Weis - Wrote the Death Gate Cycle. They've written a lot of other works but of the ones I've read the Death Gate Cycle is the only one that stands out.
Jacqueline Carey - Wrote Kushiel's Dart and subsequent series.
Brandon Sanderson - Wrote the Mistborn series and The Way of Kings.
Peter V. Brett - Wrote the Demon Cycle.
Iain M. Banks - Wrote a series of books set in the Culture universe (my favorites being Look to Windward and Excession).
Brent Weeks - Wrote the Black Prism, although I didn't like the 2nd book as much as the 1st, so I'm not sure how I currently feel about the series.
Frank Herbert - Dune
Terry Goodkind - The Sword of Truth
George R. R. Martin - Song of Fire and Ice
Robert Jordan - Wheel of Time
J. K. Rowling - Harry Potter
I have an awful lot of Rubik's Cubes that I have acquired from a wide number of sources (mostly career fairs) and teach people whenever I find someone willing to learn. This has happened less often in grad school but I taught a lot of people in high school and college. It's also fun to make patterns. I keep one on my desk and scramble and solve it when the mood strikes me. It's also great for plane trips to pass the time.
My two favorite "standard" card games are:
Peanuts - This game is great with a lot of people (~8) but I've had fun with any number of players. It's really fast to learn and not too stressful to play. It can also be a good team game.
The Great Dalmuti - An excellent strategy card game that I played a lot of in high school. Games play really fast and you can make a Dalmuti deck out of normal playing cards.
I play a lot of Magic: The Gathering. It's a pretty complex trading card game but it's really fun to make decks that combine cards in amusing and powerful ways. I mostly play large multiplayer games and tend not to have good single player decks. The design process for Magic is also extremely interesting and is a unique entity in the history of game design.
Role-playing Games (table top)
At The North Carolina School of Science and Mathematics I had a lot of fun played a wide variety of RPG's. I used to just play but my senior year I GMed a few games. I like GMing good games but it can be a real drain to organize and prepare sometimes. The games I have played over the years are:
Mage: The Ascension - Easily my favorite magic system. It's a really imaginative game with infinite potential. Unfortunately no one can ever fully realize that potential. But it's there, really. I've GMed several games of Mage.
Legend of the Five Rings - Cool samurai RPG. Really balanced system, very fun world to play in. I've only ever known one GM but it's been one of my best experiences as a player.
Feng Shui - Very free-form, light hearted, action heavy game.
Dungeon's and Dragons - The classic game. I never really played it until my undergrad at Caltech. The countless layers of rules can be oppressive but fun to navigate sometimes.
I don't like all Anime, but there is a lot that I really enjoy. Usually I watch at least partially serious plot-driven Anime. My favorites:
Fullmetal Alchemist Brotherhood
Now and Then, Here and There
I didn't watch too much TV in high school. Later in college I had a lot of free time so I caught up on what I'd been missing. My favorite series:
Dune (sci-fi miniseries)
I spend a lot of my free time programming. The projects page talks about most of my recreational programming projects.