THC is only detectable in the blood for 3-5 days maximum. It is detectable in the urine for much longer, depending on the level of use. If you are having a blood test, you have nothing to worry about.
Lower the oven to 350Â°F and roast the turkey for 1 hour: Place the turkey in the oven and immediately lower the heat to 350Â°F. Roast for 1 hour, then begin checking the temperature. Check the turkey's temperature: The turkey is done when it reaches 165Â°F in the thickest part of the breast meat.Start checking after 1 hour of roasting and continue checking every 10 to 15 minutes until the breast is cooked through.heck the turkey's temperature: The turkey is done when it reaches 165Â°F in the thickest part of the breast meat. Start checking after 1 hour of roasting and continue checking every 10 to 15 minutes until the breast is cooked through.
Calculate the cooking time. The larger your turkey breast, the longer it will take to cook. When roasted at 325 Â°F (163 Â°C), turkey breast requires approximately 25 minutes cooking time per pound. 1  For a smaller four to six pound turkey breast, set aside between 1 1/2 and 2 1/2 hours.2  If you're cooking at an altitude of 5,000 or more feet, you'll need to add five to ten extra minutes' cooking time per pound.oneless turkey breast can be bought fresh or frozen by the pound. Turkey breasts are much larger than chicken breasts, so you'll want to factor that in when you decide how much to buy. A serving size of turkey breast comes out to 1/4 to 1/2 pound per person.