In extreme heat, the trip from the supermarket to home quickly becomes a stress test for food. Dairy products, eggs, ready-made salads, spreads, meat, fish, and anything that requires refrigerated storage are particularly sensitive. A cooler bag or cool box helps, but only if it is prepared and packed sensibly.
Especially before the weekend, a trip to the lake, or a picnic, a quick plan is worth it. This way, sensitive food gets into the refrigerator faster, and food stays fresh longer while on the go.
Prepare before shopping
The best cooler bag is of little use if it is lying in a warm car. Ice packs belong in the freezer in good time; the bag should stay in the apartment until departure and only be brought along shortly before shopping.
- Freeze ice packs thoroughly: Preferably overnight, not just shortly before leaving.
- Pre-cool the cooler bag: If there is space, prepare it briefly with an ice pack or in a cool room.
- Plan your shopping route: First dry goods, then fruit and vegetables, and finally refrigerated and frozen goods.
- Drive straight home: It is better to postpone errands after shopping.
- Do not use the car as storage: Do not leave food waiting in a parked car.
How to pack the cool box
Cold does not simply sink magically through the entire bag. It is crucial that sensitive food is placed close to the ice packs and that the bag remains as full as possible. Air pockets warm up faster than a compactly packed box.
- Ice packs at the bottom and top: Place sensitive food in between.
- Keep raw items separate: Always pack meat, fish, or marinades tightly and transport them separately from fruit, bread, or ready-made meals.
- Containers instead of foil: Well-sealing containers prevent liquid from leaking and keep the bag cleaner.
- Pack drinks separately: Anyone who constantly opens the bag loses cold. It is better to put drinks in a second bag.
- Use frozen items as cooling aids: Frozen goods can provide additional cooling, but must be returned to the freezer immediately at home.
Picnic and swimming lake: not everything needs to be refrigerated
For excursions, it makes sense to deliberately keep part of the snack non-critical. Bread, unopened crackers, whole apples, nuts, or vegetables for snacking are more robust than creamy spreads or salads with mayonnaise. What needs to be refrigerated stays in the bag until it is time to eat.
For prepared dishes, the process is important: chill thoroughly, pack only shortly before leaving, and store in the shade at the destination. Leftovers from a picnic should be assessed critically in very warm weather. Anything that has been open, warm, or in the sun for a long time should not be put back in the refrigerator.
Put away correctly at home immediately
After shopping, empty the cooler bag first. Everything that requires refrigeration goes directly into the refrigerator or freezer. Afterward, bags, containers, and ice packs can be cleaned and prepared again.
- Wipe off ice packs and put them back in the freezer.
- Let the cooler bag dry open so it does not get musty.
- Remove spilled liquids immediately.
- Place food with a short shelf life at the front.
When throwing away is more sensible
If refrigerated goods have been warm for a long time, the packaging is damaged, something smells unusual, or the consistency has changed, throwing it away is often the better decision. This applies especially to fish, meat, raw egg dishes, dairy products, ready-made deli salads, and food for children, the elderly, or pregnant women.
The best way to avoid food waste is to start when shopping: buy smaller quantities, take a cooler bag with you, and keep the journey home short.
Read also
- Storing food properly in the heat: Fridge check for hot days
- Heat in the car: Why children, animals, and groceries must not wait
- Swimming lake with children: safely through hot outdoor pool and lake days
- Salads in a jar: 5 quick ideas for picnics and the outdoor pool
- Power outage during a heatwave: How to properly handle your fridge and freezer
- The best recipes for a picnic
Sources and further information
- AGES: Storing and processing food safely
- gesundheit.gv.at: Eating and drinking in the heat
- gesundheit.gv.at: Food infection
- BfR: Correct cooling of food in private households
- ORF.at: Current heat and weather situation
Article image: AI-generated symbolic image.
