Cooked vegetables, meat, and meat dishes should be left unrefrigerated for no more than two hours, including preparation and serving time. Do not keep these dishes overnight without refrigeration. Do not serve foods such as ground meats, creamed foods, meat salads, or custards. These spoil easily and are potential sources of food poisoning. If necessary, substitute canned or powdered milk for fresh milk.
Canned milk keeps safely for no more than two hours after the can is opened.
If you are using canned milk to feed a baby, however, open a fresh can for each bottle. Use only boiled or disinfected water to mix powdered milk. Use powdered milk immediately after it is mixed. If safe water or water-disinfecting materials are not available, use canned or boiled fruit juices instead of water. Prepare and eat foods in their original containers if possible.