Brocho before eating this: Borei Minei Mezonos
(Note: others recommend only eating it during a bread meal, as the Bracha may be questionable in certain instances)
Brocho after eating the proper shiur of this: Al Hamichya
If one is Koveah Seduah on this item, Hamotzi Lechem Min Ha'aretz and Bentching are required.
Source: Sefer Sharei Haberacha (page 600)