So make sure to start it roasting early in the day and have lots of snacks ready for your guest to enjoy until dinner is ready. Cooking a frozen turkey is really easy, but it does take 50% longer to cook a frozen turkey than a thawed one. Since you’re not thawing ahead of time, you’re not allowing any new microbes to settle in. Place the turkey breast-side up in a microwave-safe pan to catch any drips. Cut the turkey into small pieces; refrigerate stuffing and turkey separately in shallow containers within 2 hours of cooking. The heat of the oven thaws and then quickly cooks the meat, so there’s no time for any existing microbes to start growing. For example, if a thawed turkey needs to cook for 5 hours then a frozen one needs to cook for 7 1/2 hours. The USDA says it's perfectly safe to cook a frozen turkey, it will just take longer to cook. When you’re cooking a frozen turkey, things are different. A 10 pound turkey, the largest size that would probably fit in an Instant Pot, will cook in just 100 minutes. "A solidly frozen turkey will take at least 50% longer to cook than a thawed turkey," said the USDA. Use leftover turkey and … Use a thermometer. To determine the approximate cooking time for a frozen turkey, follow this guideline: Take the recommended cooking time for a thawed turkey (usually on the package) and multiply it by 1.5. Take the turkey out of its wrapping, and remove metal clips or tags. “A lot of the turkeys have the pop up timers and that is great, but I like to be absolutely certain that my turkey is 165 degrees in the thickest part of that turkey. Somewhere between 4 pounds and 10 pounds should work depending on the size of your Instant Pot. After the turkey is thawed, wash the inside of your microwave to prevent cross contamination. Cook the turkey immediately after thawing. You will be able to cook the entire cook from its frozen state in 2 hours or less.