Reply To: Questions on Yoreh Deah, Choshen Mishpat

mod: please delete previous post, I pushed enter in the middle mistakenly.

PLEASE NOTE THAT EVERYTHING I WRITE, ESPECIALLY THIS POST, IS NOT INTENDED TO BE RELIED ON. (Or, as Montaigne said, “All I say is by way of discourse, and nothing by way of advice. I should not speak so boldly if it were my due to be believed.”)

Ok. Ovens are discussed in siman 108:1-2.

We generally say that to roast basar and chalav or issur and heter in the same oven is not allowed but is ok if you did provided that the oven was not sealed. It is only a problem if one of the two has an oily nature.

If you are cooking them in pots, it is allowed to be done, provided that the oven is not sealed. If one of them is covered, even with dough, it is allowed to be done.

If the one of them is spicy, it is a problem even bdieved unless one is covered. (Here, the shach 10 is machmir lechatchila regarding a dough covering.)

No mention is made of any issur lechatchila or bdieved to do one after the other.

However, the Rema mentions that if you were to roast the two under a pan, and the pan were to receive the steam of the two, all the cases are assur bdieved even one after another, unless one was covered.

I have heard that our ovens are considered to be like the pan which receives the steam. If this is so, it would be assur even one after another, even if cooked in pots, unless one was covered.

It still would be ok if neither one had an oily nature, even lechatchila. I do not think this is what is done in my house.