What must be marked on ready-to-eat bags (PHFs):

Best before date

Temperature to reheat

Name of the food

Shelf to store the food on

best before date

Best before date is the correct answer.

Explanation:

Best before date must be marked on ready-to-eat bags (PHFs).

Best Before date means that the product will be of the best quality or condition.

The best before date assures that some properties of the product are effective till that time and once that date has crossed, it may lose its nutrients, freshness, flavor, and taste.

Best before data must be marked in ready to eat bag because it gives the information about food quality and it means that the food is safe to eat till that date, but after this date, it may be not good, its texture and quality may not be as safe.