The Essential Brewfest Pretzel


 * Soft and perfectly snackable, these golden pretzels are best enjoyed in the autumn with cheese and booze!

If you're wandering the Brewfest grounds, you've simply got to try the pretzels!

Source
These are sold for each during the Brewfest event by
 * in Dun Morogh
 * in Durotar

These are special bread vendors who only show up for the Brewfest.

Note
Of the Brewfest foods, only The Essential Brewfest Pretzel counts toward the achievement. (This may be a change from previous years.)