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).
At 350 degrees you usually cook the turkey for 20 minutes per pound, but at the low temperature of 250 you'll need to cook it for 6 to 8 hours. Check with a meat thermometer a â¦ nd make sure if reaches 165 or higher in the deepest part of the turkey.t'll be your little secret to the perfect meal! Addendum to above answer: According to the Butterball website, an unstuffed 17.5 lbs turkey should cook for between 3-1/2 hours and 4 hours. A stuffed turkey should cook for between 4-1/2 to 5 hours.