15Freezing and storing foodPurchasing frozen food▯ The packaging must not be damaged.▯ Pay attention to the expiration date.▯ Temperature in the supermarket freezer must be0 °F (–18 °C) or lower.▯ If possible, transport frozen food in an insulatedbag and place quickly in the freezer compartment.Freezing fresh foodFreeze only fresh and undamaged food.To retain the best possible nutritional value, flavor andcolor, vegetables should be blanched before freezing.Eggplants, peppers, zucchini and asparagus do notrequire blanching.Literature on freezing and blanching can be found inbookstores.Note:Keep food which is to be frozen away from food whichis already frozen.▯ The following foods are suitable for freezing:Baked goods, fish and seafood, meat, game,poultry, vegetables, fruit, herbs, eggs withoutshells, dairy products such as cheese and butter,ready meals and leftovers such as soups, stews,cooked meat and fish, potato dishes, soufflés anddesserts.▯ The following foods are not suitable for freezing:Vegetables that are usually consumed raw, suchas lettuce or radishes, eggs in shells, grapes,whole apples, pears and peaches, hard-boiledeggs, yoghurt, soured milk, sour cream, crèmefraîche and mayonnaise.Packing frozen foodTo prevent food from losing its flavor or drying out,place in airtight containers.1. Place food in packaging.2. Remove air.3. Seal the packaging.4. Label packaging with contents and date offreezing.Suitable packaging:Cling wrap, tubular film made of polyethylene,aluminum foil, freezer containers.These products are available from specialist outlets.Unsuitable packaging:Wrapping paper, greaseproof paper, cellophane, binliners and used shopping bags.Items suitable for sealing packaged food:Rubber bands, plastic clips, string, cold-resistantadhesive tape, etc.Bags and tubular film made of polyethylene (PE) canbe sealed with a film heat sealer.Shelf life of frozen foodShelf life depends on the type of food.At a temperature of 0° F (–18° C):▯ Fish, sausage, ready meals, cakes and pastries:up to 6 months▯ Cheese, poultry and meat:up to 8 months▯ Vegetables, fruit:up to 12 months