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).
1 For example, for a 6 pound roast: 6x5=30, so cooking time is 30 minutes. 2  Turn the oven off and wait 2 hours before opening the oven door. 3  Remove the prime rib and slice into the most perfectly medium-rare meat you've ever seen.4  Chef John serves this his Beef Au Jus. For example, for a 6 pound roast: 6x5=30, so cooking time is 30 minutes. 2  Turn the oven off and wait 2 hours before opening the oven door. 3  Remove the prime rib and slice into the most perfectly medium-rare meat you've ever seen. 4  Chef John serves this his Beef Au Jus.