Why thaw?

Been cooking a totally frozen turkey for over 25 yrs. Use a convention oven. Now there are articles on the subject.

https://www.thekitchn.com/how-to-cook-a-completely-frozen-turkey-for-thanksgiving-225796

https://www.thespruceeats.com/cook-a-frozen-turkey-483280

Use a digital thermometer to check portions of turkey when it gets close to being done.



AND you can cook the turkey upside down! We did it for half the time and the breast was not as dry as usual.

https://www.thekitchn.com/how-to-roast-a-turkey-upside-down-237555

https://www.goodhousekeeping.com/holidays/thanksgiving-ideas/a26165/turkey-upside-down/