Egg Matzo is more likely Mezonos, than any so called Mezonos bread shall ever be; Yet we are so Makpid to use bread & not to resort to egg Matzo for Shabbos Erev Pesach, so Al Achas Kamo v’Kamo, that we cannot treat so called Mezonos bread as cake & not as haMotzie.
My kids even wash for & recite Bikas haMozon after Pizza. [Fortunately for myself, I am mature enough to stay away from this unhealthy food}