How to cook a 20lb turkey in the oven
Christopher Martinez
Published Jan 07, 2026
How long should a 20lb turkey cook?
If you’re baking it at 325°F (the lowest temperature the USDA recommends), you’ll need to bake a 20–lb turkey in the oven for 4 to 5 hours if it’s unstuffed, and 4 ¼ to 5 ¼ hours if it’s stuffed.How long does it take to cook a 20lb turkey at 350 degrees?
If your turkey weighs 18 to 20 pounds, roast it at:- 425°F for 3½ to 3¾ hours.
- 400°F for 3¾ to 4 hours.
- 350°F for 4 to 4¼ hours.
- 325°F for 4¼ to 4½ hours.
Is it better to cook a turkey at 325 or 350?
Roast the turkey uncovered at a temperature ranging from 325°F to 350°F. Higher temperatures may cause the meat to dry out, but this is preferable to temperatures that are too low which may not allow the interior of the turkey to cook to a safe temperature.How big of a roasting pan do you need for a 20lb turkey?
In general, roasters with inside dimensions of approximately 16 x 13 inches will hold a 25 lbs. turkey.What size of roaster will my turkey be comfortable in?
| Turkey Size | Minimum Roasting Pan Size |
|---|---|
| Up to 16 pounds | 15-3/4 x 12 x 3 inches |
| Up to 20 pounds | 16 x 13 x 3 inches |
