If it contains Matzo Meal used as a binder
Brocho before eating this: Shehakol Niyeh Bedvoro
Brocho after eating the proper shiur of this: Borei Nefashos
If it contains Matzo Meal or Breadcrumbs used to contribute taste
Brocho before eating this: Borei Minei Mezonos
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: The Laws of B'rachos (page 373)