A Mitzvah In The Mouth
When you come home on Seder night, you are presumably very hungry. You’ve spent the whole day preparing for the Seder and for Pesach. Chametz is forbidden most of the day. Matzah is forbidden all day.
Mitzvah Principles
Do Mitzvos Require Intent?
The Talmudic debate whether a mitzvah performed without conscious intent to fulfill it still counts, and how a berachah can supply that intent.