How Long To Cook a 15 Lb Stuffed Turkey | Time, Temp, And Doneness

A 15-pound stuffed turkey usually roasts for 4 to 4 1/4 hours at 325°F, with both the meat and stuffing reaching 165°F.

A stuffed turkey takes longer than an unstuffed bird, and that extra time is where most cooks get tripped up. The bird can look done on the outside while the center of the stuffing still needs more heat. That’s why time matters, but temperature matters more.

If you’re roasting a 15-pound turkey with stuffing inside, plan on about 4 to 4 1/4 hours in a 325°F oven. That range lines up with the FoodSafety.gov meat and poultry roasting charts. Start checking near the 3 hour 45 minute mark so you don’t drift past done and end up with dry breast meat.

The target is simple: the stuffing in the center must hit 165°F, the thigh should reach 165°F, and the thickest part of the breast should also read 165°F. Once those numbers are in place, you can stop worrying about the clock.

How Long To Cook a 15 Lb Stuffed Turkey At 325°F

For a 15-pound stuffed turkey, the sweet spot is usually 4 to 4 1/4 hours at 325°F. A bird packed tightly with dense bread stuffing can run a bit longer. A turkey stuffed loosely right before roasting may finish near the lower end.

That timing assumes the turkey is fully thawed, roasted uncovered in a standard oven, and placed breast side up on a rack in a shallow roasting pan. If the bird goes into the oven still icy in the cavity, the timing can stretch fast.

What Changes The Cook Time

Turkey timing is never just about weight. A few small details can shift the finish line by 20 to 40 minutes.

• Stuffing density: Loose stuffing heats faster than a tightly packed cavity.
• Starting temperature: A bird straight from the fridge cooks more evenly than one that sat out too long.
• Oven accuracy: Home ovens can run hot or cool by more than you’d think.
• Pan depth: A deep pan slows air flow around the turkey.
• Foil use: Covering the breast early can slow browning and change the pace a bit.

Why Stuffed Birds Need Extra Care

The stuffing is tucked into the slowest-heating part of the turkey. Juices from the raw bird move into that center as it cooks, so the stuffing has to reach a food-safe temperature before dinner hits the table. The USDA says the safest move is to cook stuffing in a separate dish, though a stuffed turkey can still be cooked safely if you check the center with a thermometer and roast it fully. Their turkey stuffing advice is laid out on USDA Turkey Basics: Stuffing.

Best Oven Setup For Even Cooking

Set the oven to 325°F and let it fully preheat. Put the oven rack in the lower third so the turkey sits in the center of the heat, not jammed against the roof of the oven.

Use a shallow roasting pan with a rack. That keeps hot air moving under the bird and helps the thighs cook at the same pace as the breast. If the breast skin starts turning dark too early, tent that area loosely with foil rather than covering the whole turkey.

Stuff the bird right before it goes into the oven. Warm stuffing is a bad bet, and loosely packed stuffing cooks better than a cavity packed to the brim.

Turkey Detail	Best Practice	Why It Helps
Oven temperature	325°F	Steady roasting without drying the exterior too fast
Turkey size	15 lb, fully thawed	Matches the timing range in official roast charts
Stuffing method	Fill loosely, right before roasting	Helps the center heat through more evenly
Pan choice	Shallow pan with rack	Improves air flow and browning
Thermometer checks	Breast, thigh, and center of stuffing	Confirms the whole bird is safe to eat
Estimated roast time	4 to 4 1/4 hours	Gives a solid starting range for a stuffed bird
Resting time	20 minutes before carving	Juices settle and stuffing finishes with carryover heat
Early browning	Tent the breast with foil	Keeps the skin from turning too dark before the center is done

When To Start Checking The Turkey

Don’t wait until the full 4 hours are up. Start checking at about 3 hours 45 minutes. Open the oven, work fast, and take readings in more than one spot.

Insert the thermometer into the thickest part of the thigh without touching bone. Then check the center of the stuffing. Last, check the thickest part of the breast. If one area lags behind, keep roasting and test again in 15-minute rounds.

Doneness Numbers That Matter

• Stuffing center: 165°F
• Thigh: 165°F
• Breast: 165°F

If the breast is already there but the stuffing is not, the turkey stays in the oven. That’s the trade-off with a stuffed bird. You’re cooking for the slowest point, not the prettiest point.

Common Mistakes That Stretch The Clock

A stuffed turkey can go sideways from a few routine errors. None of them are hard to avoid once you know where the trap doors are.

• Using a partially frozen bird: The outside cooks long before the center catches up.
• Packing the cavity too full: Dense stuffing slows heat transfer.
• Trusting only the pop-up timer: It can miss the stuffing temperature.
• Opening the oven every few minutes: Heat drops each time the door swings open.
• Skipping the rest: Carving too soon sends juices all over the board.

Food safety matters after roasting too. The CDC advises refrigerating leftovers within 2 hours and handling turkey with care from thawing through carving on its holiday turkey page: Preparing Your Holiday Turkey Safely.

If You See This	What It Means	What To Do Next
Skin browns too fast	Exterior is cooking faster than the center	Tent the breast loosely with foil
Stuffing is under 165°F	Center is not food-safe yet	Keep roasting and recheck in 15 minutes
Breast hits 165°F early	White meat is done before stuffing	Cover the breast and keep cooking
Turkey juices look pink	Color alone is not a doneness test	Trust the thermometer, not the juices
Turkey cooks past 4 1/4 hours	Oven, stuffing, or thawing changed the pace	Keep checking temperature, not just time

How To Rest, Carve, And Serve It Well

Once the turkey and stuffing both hit 165°F, pull the pan from the oven and let the bird rest for about 20 minutes. That pause gives the juices time to settle and makes carving cleaner.

Scoop the stuffing out before carving the whole bird. Then slice the breast across the grain, separate the legs and thighs, and serve right away. If you’re holding dinner a little longer, tent the turkey loosely with foil so it stays warm without steaming the skin into a soft mess.

A Good Rule To Follow

If you want the best shot at juicy meat, roast the turkey to temperature, not to a fixed minute mark. For a 15-pound stuffed bird, the clock points you in the right direction. The thermometer closes the deal.

What Most Cooks Need To Know

For most kitchens, a 15-pound stuffed turkey needs about 4 to 4 1/4 hours at 325°F. Start checking a bit early. Test the thigh, breast, and center of the stuffing. Rest the bird 20 minutes before carving.

That simple routine beats guesswork every time. You get a turkey that’s cooked through, stuffing that’s safe to eat, and a lot less stress when the platter hits the table.