Once you are at 525 cooking, the Guide to the Ways will offer you quests so that you can begin pursuing the the six Ways (specializations). Each Way has a max level of 600:
[Thanks for the tip, Jesse!]
It's open warfare between Alliance and Horde in Mists of Pandaria, World of Warcraft's next expansion. Jump into five new levels with new talents and class mechanics, try the new monk class, and create a pandaren character to ally with either Horde or Alliance. Look for expansion basics in our Mists FAQ, or dig into our spring press event coverage for more details!