If you are cooking on a windows box you might want to take a look into
Bill has all you need for cooking with Chef and Vagrant on Windows:
- Ruby (with DevKit) and RubyGems
- Chef, Vagrant, Veewee, etc as pre-installed Gems
- ready-to-use Chef Server and Chef Repository
- extra tools like PortableGit, Kdiff3, Console2 and SublimeText2
- tutorial and examples to get you started
Hope you can make some use of it.