Most people treat the fridge as one cold box and load it wherever there's a gap. But a fridge has distinct temperature zones, and ignoring them is one of the biggest hidden causes of food waste at home. Learning how to organise your fridge — shelf by shelf — can add days to the life of your groceries without buying anything.
The cold map: where the temperature actually sits
Cold air sinks, so the bottom of the fridge is the coldest and the door is the warmest. That single fact decides where everything should go:
- Top shelf — the warmest and most stable zone. Best for ready-to-eat things: leftovers, cooked food, drinks, yoghurt.
- Middle shelf — dairy. Milk, cheese and eggs are happiest here (not in the door, despite the moulded egg tray).
- Bottom shelf — the coldest spot, and the only place raw meat and fish belong. Keep them in a sealed container so nothing can drip onto food below.
- Crisper drawers — humidity-controlled for produce. Most have a slider: high humidity for leafy greens that wilt, low humidity for fruit that rots.
- The door — the warmest zone of all, and it swings through temperature changes every time you open it. Reserve it for things that tolerate that: condiments, juice, jam. Never milk or eggs.
Stop cross-contamination before it starts
The rule is simple: raw meat goes at the bottom, always below anything you'll eat without cooking. A single drip of raw chicken juice onto the salad two shelves down is how most home food-poisoning happens. A shallow tray under raw meat catches accidents and costs nothing.
Don't pack it solid
A fridge cools by circulating cold air. Cram it wall-to-wall and the air can't move, so pockets stay warm and food spoils unevenly. Leave gaps. Counter-intuitively, a slightly emptier fridge keeps food *colder*.
The produce mistakes that cost you most
- Wet greens rot. Wash herbs and leaves only when you're about to use them, or dry them thoroughly first.
- Some fruit gasses everything around it. Apples, bananas and tomatoes give off ethylene, which ripens — then spoils — nearby produce. Keep them apart from delicate greens.
- Not everything belongs in the fridge at all. Tomatoes go mealy and lose flavour cold; potatoes, onions and whole garlic prefer a dark cupboard.
First in, first out
Borrow the one habit every commercial kitchen lives by: when you put new groceries away, move the older stock to the front and the new behind it. You'll reach for what needs eating first instead of discovering a furry science experiment behind the new shop.
A quick weekly reset
Once a week, before you shop, do a two-minute scan: pull anything near its end to the front, wipe one shelf, and note what actually got wasted. Over a month that tells you what you over-buy — which is exactly the signal a weekly meal plan acts on. Yuzo builds your shopping list straight from the week's plan, so you buy the quantities you'll genuinely cook rather than guessing in the aisle and binning the difference.
Getting started
Tonight, do one move: take the milk and eggs out of the door and put them on the middle shelf, and slide any raw meat to the bottom. Those two changes alone fix the most common — and most expensive — fridge mistakes.
Yuzo