According to the Nodeh B'Yehuda and the Chazon Ish, in order to calculate the size of a kezayis (which apparently is based on the size of an egg), we must double the size of our contemporary eggs. ...
For standard Oreo cookies, how many would be a kezayis by volume? I have heard maybe 2.5 or maybe 3.
I've often wondered how I can be sure I've eaten a KeZayith of flour when I eat something small but complete - like one cookie - and struggle with the decision of whether or not to eat more in order ...
My son has started raiding the chulent Friday night. To be able to return the chulent crock pot back to the casing, everything must be fully cooked. I rarely cook with beans, but would like to try ...
If you have a steak medium to rare, such that it's still pink in the middle, is it kosher? At what point is meat cooked enough?
When shopping these days, it appears that a "normal hamentash" is about 2 inches or more per side, and "mini hamentashen" are about 1" per side. Is it just me, or did it used to be that the 1" ones ...