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Would someone please tell me how long and at what power I should reheat a casserole or other pasta dish that has already been cooked? Thank you.

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closed as too broad by rfusca, Mien, sourd'oh, KatieK, GdD Apr 5 at 18:48

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Your question is a little confusing because you say "casserole or other pasta dish" - most casseroles aren't pasta dishes and most pasta dishes aren't casseroles. But I guess you're not asking how to reheat a plate of spaghetti, and the answers will be fine. –  Jefromi Feb 28 at 20:32
    
Also, it looks like you posted this with words in all caps because you were frustrated people misunderstood your previous question. But there's no need to get worked up - you can always edit your own question (or comment on it) to clarify. –  Jefromi Feb 28 at 20:33
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1 Answer 1

There is no single way to answer this because:

  • Microwaves vary widely in power
  • The starting temperature of the casserole may vary
  • Casseroles vary in shape, size, thickness, and composition

and all of these factors will affect the time.

It is far from ideal to heat a full sized casserole in the microwave in any case; you would be better off using a conventional oven, as it will not have problems with hotspots. Microwaves do much better with good that can be stirred to even out the heating, and this would be at the very least, aesthetically displeasing with most casseroles.

I would recommend starting with about 50% power (for a 1000+ watt microwave, higher for models with less power) to allow some time for the heat to conduct through the casserole. Check regularly with an instant read thermometer until reads about 150 F at several spots.

It is likely to be unevenly reheated, since you are not stirring. This is the downside of using a microwave. Allowing it to stand for 10 minutes or so before service will help even it out.

The other downside is that microwaving to reheat will do nothing good for crispiness, browning, or texture, but that is not unique to casseroles.

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