Foods are properly cooked when they are heated for a long enough time and a high enough temperature to kill the harmful bacteria that cause foodborne illness.
The best way to make sure cooked food is safe is to:
Refrigerate foods quickly because cold temperatures keep harmful bacteria from growing and multiplying. Your refrigerator should be set no higher than 40°F and the freezer should be at 0°F. Check the temperatures with an appliance thermometer.
Follow these steps: