
24 Jun KASHRUS QUESTIONS OF THE WEEK WITH RABBI MOSHE ELEFANT
May one use a microwave for both milchig and
fleishig?
There are two issues to consider. The first is the issue of kashering:
if the microwave has become fleishig or milchig, it must be
kashered before switching its use to the
other status.
The second issue is based on a teaching
of the Magen Avraham, who says that
one should not have a single set of
utensils that is used back and forth
between milchig and fleishig—even if
one plans to kasher them—due to the
concern that one may forget to kasher
them or may not kasher them properly.
Using the same microwave for both is comparable to that case with the utensils,
and thus, it should not be done. In contrast, a stovetop does not require kashering
between uses for milchig and fleishig, but a microwave does.
What is the status of a pareve soup cooked in a pareve bowl in a
fleishig microwave?
It remains pareve but may not be eaten together with dairy. For example, if someone
cooks spaghetti in a clean dairy pot, it cannot be eaten with meatballs, but it can be
eaten after meatballs.
Can one eat ice cream
from a store if the ice
cream container has
an OU certification but
the store itself is not
certified?
This is something to be very
careful about. People often
assume that if a store shares
a name with a certified brand,
then the store itself is also
certified—but that’s not
necessarily true.
First of all, just because a store carries a certain brand doesn’t mean they only sell
that brand. Secondly, very few ice cream brands have all of their flavors certified
kosher. Some flavors may contain marshmallows, which are usually not kosher, or
other ingredients that prevent certification.
If you go into a store and see that the specific tub of ice cream you want is marked
with a valid kosher certification, then that is acceptable. However, you must also
ensure that the scooper is completely clean and that the cone and any toppings are
also kosher. If they are not, you should not buy the ice cream—even if the tub itself
is certified kosher.