Cooking a 20-pound turkey requires cautious planning and execution to make sure it’s cooked evenly and safely. The overall rule is to prepare dinner the turkey at 325F (163C) for 4-5 hours, or till the interior temperature reaches 165F (74C) as measured by a meat thermometer inserted into the thickest a part of the thigh with out touching bone.
It is very important be aware that cooking instances might range relying on the scale and form of the turkey, in addition to the accuracy of your oven. To make sure the turkey is cooked by, it’s all the time greatest to make use of a meat thermometer. As soon as the turkey has reached the specified inside temperature, let it relaxation for Half-hour earlier than carving to permit the juices to redistribute, leading to a extra flavorful and tender hen.