As a rule of thumb, the formula for roasting a whole (unstuffed) turkey is about 15 minutes per pound in a 325-degree oven. Bring the oven up to 350 degrees and you can cut the time by as much as 5 minutes per pound.

Here are some tips from the experts on how to know that your Thanksgiving turkey is done. According to the United States Department of Agriculture, "a whole turkey is safe cooked to a minimum internal temperature of 165°F throughout the bird.