הChelek 5
- If you need to kasher the oven for baking matzos, you must cover the entire baking surface with coals until it shoots sparks. Then let it cool down a little before heating the oven for baking. (ShA )
- A matza must be baked well enough that when you would break it while still hot, the inner dough will not stretch. If the matza is crusted over well, it is considered baked enough. (ShA — MB , )
- Do not remove matza from the oven before it is fully baked, even to put it back in immediately. It could become chometz. (Rama )
- Matza soaked in yad soledes water is not kasher for the mitzva. Even soaked in cold water to the point that the matza is dissolving or turning the water white is also possul. (ShA — MB , )
- Matza soaked a little bit in cold water is okay bedieved. For the elderly and sick it is fine, even lechatchila. Another method for someone who has difficulty chewing dry matza is to eat a kezayis of matza meal. (ShA — MB — BeH)