About 18 months ago, Opscode announced a strategic partnership with Microsoft Azure to support rich Chef integration:
Maximizing the power of public cloud platforms is best accomplished through the use of a dynamic, consistent automation engine. With Windows Azure and Opscode Chef, organizations can now make the most of all Windows Azure offers for Microsoft and Linux-based environments alike, delivering maximum flexibility and ease of use in bringing ideas to market and adapting to business change.
-Christopher Brown, CTO, Opscode
See it in Action
Below is a video of Ross Gardler (Senior Technical Evangelist from Microsoft Open Tech) doing a demo of building cloud resources in Azure with Chef cookbooks. Skip to 7:27