Can I use my leftover challah to make dairy French toast?

Can I use my leftover Challah to make dairy French  toast? So there's really two questions about the   Challah. Let's talk about in terms of how it  was baked. If it was baked in a fleishig oven,   which means if I baked it at the same time as  I bake chicken, meat, anything else like that   uncovered, the Challah now is certainly Fleishig  because the steam from the other items will make   the Challah Fleishig, and certainly it cannot be  served with dairy. If it was baked in a oven that   had previously baked meat, but it was not kashered  out, now it would depend if the oven was clean or   not. If it had spills of meat in it, you turn on  the oven you could still smell the aroma of meat,   the Challah also should not be served with  dairy. It's still considered a Fleishig oven   until you clean it out, and then it should be  preferably even kashered, then you could bake   the Challah and would be pareve. If you bought  it from a supermarket, you know, from a bakery,   you could assume that it's pareve. Then the  question is only going to be, how was it served   at the meal? If you brought it out to the meal  but then you removed the Challah from the table   before the meat was served, so then obviously the  Challah is still pareve and it could be made into   dairy French toast. If you left it out on the  table while the meat was being served, Rav Moshe   Feinstein makes a distinction between the  bread that's in the center of the table that   stays either uncut on the cutting board or in the  Challah basket, and there he assumes that nobody   is just putting their greasy hands all over what's  meant for other people to eat, and therefore that   bread technically remains pareve. The bread that  you remove from the basket, A child took a piece   of Challah and they had it next to their plate,  even if they didn't eat it, that Challah would   be considered Fleishig. Rav Moshe, however  says that even though bread in the basket   that was at the table with the meat and remains  pareve, it is considered praiseworthy though to   consider it Fleishig. So strictly speaking one  could, but it would be praiseworthy not to.