A really long time. Most turkey cooking times are based on 350 or 375 degrees so 225 would take much longer. 21 pounds is a lot of turkey, and it would be important if you stuffed your turkey or not.
The answer is basically 8 hours unstuffed. It would be best to use a meat thermometer to ensure that the breast and the thigh reached at least 165 degrees. If you don't have a meat thermometer, eight hours should be sufficient for you to go out and buy one.
A 9.5 pound turkey breast should be cooked for at least 1.25 hours. This can be done in the oven at 325 degrees.
Turkey's should be cooked at a temperature of at least 325 degrees. Cooking turkey at a lower temp may cause contamination.
How long does it take to smoke a 16 pound turkey
7 hours
How long do you bake a 5-6 pound turkey roll and at what temperature?
2 hours 20 minutes.
How long does it take to smoke 4 1" pieces of salmon
How long does it take in the refrigerator to thaw a 21lb. frozen whole turkey?
11-13 minutes per pound if unstuffed. A 13 lb turkey should take approximately 2 1/2 hrs
Take what?
A 5 kg turkey should cook for about 3 hours if unstuffed in the over. If the turkey is stuffed, it should cook for about 3.5 hours.
How long does it take for a letter to come to Mass, USA from Turkey?
how long does it take to cook 2-20 pd turkey
it injurious to health may lead breast cancer
26 hours
It takes 3 hours flight from Istanbul,Turkey to Dubai