You’ve heard it: “Just cook it 20 minutes per pound.” For a 13 lb stuffed bird, that math gives you about 4.3 hours. That’s a decent starting point, but not a promise. Ovens vary, stuffing density varies, and your turkey might be colder coming out of the fridge. Use a probe thermometer—the cheap ones work fine—and check the thigh and stuffing at the 3.5-hour mark.
Also, if your bird is frozen (don’t do that, by the way, but if you must), add another 50% to the time. A frozen stuffed turkey is a kitchen gamble I’d rather not take. Thaw it in the fridge for 3-4 days, please. Your stomach will thank you.
Basting: Overrated or Essential?
I used to baste every 20 minutes like a mad scientist, opening the oven and letting all the heat escape. Stop that. Basting once or twice is fine—it adds a little moisture—but it doesn’t make the meat juicier (that’s a myth). What does help is starting with a room-temp bird (45-60 minutes out of the fridge) and brining it overnight. Brining is the cheat code. It keeps the breast tender even if you accidentally overdo it by 15 minutes.
How Long to Cook a 13 lb Turkey Breast for Tender, Juicy Meat
If you didn’t brine, no sweat. Rub butter under the skin of the breast (yes, under the skin—get your fingers in there). That fat bastes from the inside, and you get crispy, golden skin. I’m salivating just typing that.