Cooking A Turkey Overnight At 250. You must make sure that all the edges of the pan are covered so that the moisture will remain in the pan. To cook turkey overnight at 225 degrees you need to first cook it at 450 degrees for 45 minutes and then reduce the oven temperature and set your alarm.
When cooking a large turkey we re talking 20 to 22 pounds or planning for a thanksgiving meal early in the day making sure the turkey will be cooked in time is enough to lose sleep over. If you were shocked to learn that you could roast a frozen turkey you re in for another surprise. Remove turkey legs from the plastic holder if needed rinse out the inside of the turkey really well both ends the cavity and the neck.
Once the turkey has cooked at a bacteria killing 450f for45 to 60 minutes it s time to prep both the oven and the turkey for overnight roasting.
To cook turkey overnight at 225 degrees you need to first cook it at 450 degrees for 45 minutes and then reduce the oven temperature and set your alarm. Why roast a turkey overnight. After 30 minutes baste the turkey and lower oven to 250. And this long slow process results in impossibly tender meat that literally falls off the bone and a golden deep flavor and crisp brown skin.