Definition of carbuncle for English Language Learners. : 1  a large painful swelling under the skin. : 2  a jewel (such as a garnet) that is cut into a rounded shape.
For a 12-14 lb (5.5-6.5 kg) turkey: Cook for 40 minutes then reduce the temperature to gas mark 3, 325 F (170 C) and cook for a further 3-31/2 hours. Then give it a final 30 minutes (uncovered) at gas mark 6, 400 F (200 C).
A good rule of thumb for cooking a turkey should be about 20  minutes per pound. So, for a 15.5 pound turkey it should cook for  about 5 hours. Edit. Share to: Robin Harris. 521,978 Contributions. I have a passion for cooking and have spent many years mastering the art.he cooking time for a 26 pound turkey in a 325Â°F oven temperature is 5Â¼ - 6 hours.  A meat thermometer inserted into the thickest part of the turkey thigh should reach 16 â¦ 5Â°F. + 25 others found this useful.