Cook or reheat to the standard
Cook from product within its shelf life, following the recipe. Reheat only once.
Reheating is counted from the moment food leaves refrigeration, not from when the pan is hot.
Yesterday's curry goes into a bain marie to come up for lunch and never gets hot enough.
's catering code asks for a that destroy non-sporing , and for reheating to at least 75 °C at the centre, or an equivalent lethality, within 1 hour of leaving refrigeration.