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).
Whole Turkey Oven Temperature Cooking Time (hours) Temp when cooked 4-8 pounds 325 degrees F 2 - 3 hours 160 - 170 8-12 pounds 325 degrees F 3 - 4 hours 160 - 170 12 - 16 pounds 325 degrees F 4 - 5 hours 160 - 170 16 - 20 pounds 325 degrees F 5 - 6 hours 160 - 170 20 - 24 pounds 325 degrees F 6 - 7 hours 160 - 170.hole Turkey Oven Temperature Cooking Time (hours) Temp when cooked 4-8 pounds 325 degrees F 2 - 3 hours 160 - 170 8-12 pounds 325 degrees F 3 - 4 hours 160 - 170 12 - 16 pounds 325 degrees F 4 - 5 hours 160 - 170 16 - 20 pounds 325 degrees F 5 - 6 hours 160 - 170 20 - 24 pounds 325 degrees F 6 - 7 hours 160 - 170.