Shmurah Matzah

Some articles on shmurah matzah:

Matzo - Common and Less Usual Varieties - Shmurah Matzah - Passover Challah From Shmurah Matzah
... be scrupulous in giving Challah from the dough used for baking "Matzot Mitzvah" (the Shmurah Matzah eaten during Passover) to a Kohen child to eat ...