I just noticed this, otherwise I would have responded sooner.
Hello99 and I had this one out a bit quite some time ago here: http://www.theyeshivaworld.com/coffeeroom/topic/%D7%AA%D7%AA%D7%90%D7%94-%D7%92%D7%91%D7%A8
My rav has a couple of teshuvos (??? ???? ??? ? ??”? ???? ?-?) in which he makes his case that one may l’chatchila prepare food in a “treife” microwave. Here is ???? ?:
??”? ??”? ???? ?? ???? ?
??? ????? ??”?: ???? ?? ??? ????? ????? ??? ???? ?? ??? ????? ???? ????? ????? ??????? ???’, ??”?
????: ???????? ????? ???? ????? ?????? ?????? ?????? ?? ?? ????? ????, ??? ???? ?????? ???? ?”? ???????? ???, ?? ??? ?? ???? ??? ??? ???? ??? ????? ?????? ??? ????? ???
?????: ????? ???? ??? ?????? ????? ??? ?? ?????? ?? ???? ????? ????? ???????, ???? ????? ????? ?? ???? ??? ???? ????? ???? ???? ???? ??? ????, ?????? ????? ????? ?”? ??? ??? ????? ?????? ?? ????? ?? ????. ???? ??? ???? ?????? ?? ????? ????? ??? ??? ????? ????? ????. ???”? ?????? ?????, ?”? ????? ?????? ?????? ??????? ?? ???? ???? ????, ???? ????? ???? ?? ???? ??? ????? ???? ?????, ?????? ?? ?? ??????? ????????, ????? ?????? ????? ??? ???? ?????? ???? ??? ?”? ????. ??? ????? ????? ??”? ???????? ??? ????, ????? ???? ????, ???? ?? ????? ???? ????
???? ??? ?? ?? ??? ??? ???? ???? ??????, ??? ?”? ??? ?? ???? ?? ???? [???? ???? ???? ??? ????], ??? ????? ?? ???? ??? ???? ??? ??? ????? (?? ????? ???????????? ?”? ??? ????, ?? ??? ?????? ??? ?? ??? ???? ??? ???? ??? ?? ????? ?? ??? ???? ???? ?”?), ??? ??”? ???? ???? ?? ??????, ??? ??? ??? ???? ?? ??? ???? ??????. ??? ?? ???? ????? ???”? ??? ??????? ??? ??? ??? ??? ?????, ???? ?? ???? ??? ??????? ???? ????? ??? ????? [??”? ??’ ?”? ???’ ?, ???’ ??”? ???’ ?’] ????? ????? ????? ?? ???? ?”? [????? ????? ??????? ??”? ???”? ??’ ?”?], ????? ????? ??? ???? ?????? ???, ??? ?????? ?????? ????? ????. ???? ???? ???????? ???? ????? ???? ???, ???”? ???? ???? ??? ????? ?? ?? ?? ??? ???? ????? ????