The most important thing to know about the bake time for turkey is that it must be fully thawed out before putting it can be put in the oven. A 15-pound turkey will take approximately 4 hours and 15 minutes to bake in a 325-degree oven. Naturally, the larger the turkey, the longer it will spend in the oven. Using a turkey cooking calculator can help guide you to the baking time for your turkey. The bake time for turkey per pound will increase by 15 minutes for every pound. Make sure your classic whole turkey reaches an internal temperature of 165F before eating.
Baking Times for an Unstuffed Turkey at 325 Degrees