Coud be helpful, although it looks like an incredibly long time - 7-10 hours? OR am I reading this wrong?
How do I cook my turkey in an AGA?
Roast from Room Temperature
It is vital the bird is not roasted straight from the refrigerator. Roasting times allow for cooking a bird from room temperature, i.e. one that has been taken out of the refrigerator and left in a cool room for several hours before cooking.
Aga turkey Roasting Times
In the interests of food safety it is important that the internal temperature of raw poultry should rise from room temperature to 60°C within 4 hours at the start of cooking. With the slow method this is particularly important, which is why we recommend an initial period in the Hot Roasting Oven. All cooking times are approximate.
Whole Turkey and Turkey Crown
Fast method (2,3 and 4 oven Aga cookers)
Rub liberally with butter. Place in the Aga roasting tin, on a grill rack if liked. Hang from the lowest set of runners in the Roasting Oven for one hour until nicely browned, then tent loosely with foil.
The TOTAL fast method roasting times are:
8-12 lbs / 3.6-5.4Kg - 1¾- 2 hours
12-16 lbs / 5.4-7.25Kg - 2- 2½ hours
16-20 lbs / 7.25-9.0Kg - 2½ -3 hours
20-24 lbs / 9-10.8Kg - 3-3½ hours
24–28 lbs / 10.8–12.6Kg - 3½ - 4 hours
Medium Method (3 and 4 oven Aga cookers only)
Rub liberally with butter. Place in the Aga roasting tin, on a grill rack if liked. Hang from the lowest set of runners in the Roasting Oven for up to one hour until nicely browned, then tent loosely with foil. After the first hour in the Roasting Oven, transfer the turkey to the Baking Oven to finish cooking, for the following
ADDITIONAL times:
8-12 lbs / 3.6-5.4Kg - 1½ - 2½ hours
12-16 lbs / 5.4-7.25Kg - 2½ - 3½ hours
16-20 lbs / 7.25-9.0Kg - 3½ - 4½ hours
20-24 lbs / 9-10.8Kg - 4½ - 5½ hours
24–28 lbs / 10.8–12.6Kg - 5½ - 6½ hours
Slow Method (2, 3 and 4 oven Aga cookers)
Rub liberally with butter. Place in the Aga roasting tin without a grill rack. Roast on the floor of the Roasting Oven for up to one hour and as soon as it starts to brown, tent loosely with foil. After the first hour in the Roasting Oven, transfer the turkey to the Simmering Oven to finish cooking, for the following
ADDITIONAL times:
8-12 lbs / 3.6-5.4Kg - 3-5 hours
12-16 lbs / 5.4-7.25Kg - 5 – 7½ hours
16-20 lbs / 7.25-9.0Kg - 7½ - 10 hours
20-24 lbs / 9-10.8Kg - 10 – 12½ hours
24–28 lbs / 10.8–12.6Kg - 12½ - 15 hours
‘Extracted from A Guide to Christmas Cooking by Richard Maggs, The Aga Cookery Doctor’
