To reduce pathogen to a safe level in TCS food you should

Food must pass through the temperature danger zone quickly to reduce the growth of pathogens. First the food must be cooled from 135℉ to 70℉ within two hours, then cooled to 41℉ or lower in the next four hours. If the food has not reached 70℉ within two hours, it must be thrown out or reheated and then cooled again.