Deep frying a turkey can be a fun, safe, and delicious way to cook a large bird. But it’s vital to do it safely, because disaster can easily ensue. (Jason Kempin/Getty Images)

The Physics Of Why You Must Never Deep Fry A Frozen Turkey

If you forgot to defrost your turkey, definitely don’t put it in a deep fryer.

Ethan Siegel
9 min readDec 3, 2020

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Every year, households all across the United States face a troubling dilemma with no good solutions: what should I do with my still-frozen turkey? Despite planning ahead for the annual Thanksgiving feast that’s become an American tradition, the classic centerpiece of the meal — the turkey — typically ranges between 15 and 20 pounds (7 to 9 kg), requiring three or more days to fully defrost in the refrigerator. A forgotten turkey, or one that’s been accidentally left in the freezer until it’s too late, poses a multitude of problems for hungry mouths on Thanksgiving day itself.

There are numerous ways to try and salvage a frozen turkey: thawing it in very cold, continuously-changed water; defrosting it in the microwave (if your turkey somehow fits in there); or cooking it for an extra long time at a significantly lower-than-normal temperature in the oven. In recent years, it’s become more and more popular to deep fry a Thanksgiving turkey, but if your turkey remains frozen, it’s a recipe for disaster. Here’s the physics of why you must never deep fry a frozen turkey.

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Ethan Siegel
Starts With A Bang!

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.