How Many Times Can I Reuse a Marinade?

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Q: I made a marinade for pork tenderloins, used it and then froze it. I thawed it and reused it with pork tenderloin again and refroze it. My question is can I thaw it again and reuse it one more time without making us ill?

Sent by Vivian

Editor: According to FoodSafety.gov, you should only use a marinade once and then either discard it or boil it to kill the harmful bacteria and use it as a sauce. If you're freezing and re-using the marinade, I would assume that the levels of harmful bacteria would increase with every re-use, which would in turn increase the risk to your health. There is also some amount of risk of cross-contamination between the re-used marinade and other items in your fridge and freezer.

Readers, what do you think? Any health experts out there who want to give an opinion?

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(Image: Teriyaki Pork Tenderloin / Nealey Dozier)