The cold chain at home.

The trip home is the weakest link

Everything a chiller cabinet did for a piece of gosht can be undone in twenty minutes in the boot of a parked car. Between April and September a closed car in Lahore reaches temperatures no fridge is designed to recover from, and meat that has warmed through and then been chilled again is never quite the same — the texture loosens and it spoils sooner than the date would suggest.

So plan the trip. Meat and dairy go into the trolley last and come out of the bag first. An insulated bag with a frozen water bottle in it costs nothing to reuse and keeps a bag of qeema genuinely cold across town. If you are stopping somewhere else on the way home, do the other errand first. And keep the meat bag physically separate from anything you will eat without cooking — fruit, salad, bread — so nothing drips where it should not.

Where things actually belong in the fridge

A domestic fridge is not one temperature. The bottom shelf is the coldest, the door is the warmest and swings warmer every time somebody opens it, and the crisper drawer sits in between with more humidity. Raw meat belongs on the bottom shelf, in a tray or a sealed box, so that nothing can drip onto the shelves beneath. Milk and dahi belong on a middle shelf rather than in the door, whatever the moulded plastic bottle-holder suggests.

Worth buying once: a small fridge thermometer. Most kitchen fridges in Pakistan run warmer than their dial claims, especially when they are packed full or when the door seal has aged, and there is no way to know without measuring. Aim for the fridge at 0 to 4 degrees and the freezer at minus 18.

• Bottom shelf: raw gosht, chicken and fish, covered, in a tray.
• Middle shelves: dahi, milk, cheese, cooked leftovers in closed boxes.
• Crisper: sabzi and fruit, kept away from any meat packaging.
• Door: bottled drinks and jars — the shelf that warms most, so nothing perishable.

Portion before you freeze, not after

The mistake almost everyone makes is freezing two kilos of qeema as one brick. It takes hours to freeze through, which is bad for texture, and then it takes a day to thaw and you are committed to cooking all of it. Split the purchase into meal-sized portions before it goes in, press each one flat in its bag, and squeeze the air out. A flat packet freezes quickly, stacks neatly and thaws in a fraction of the time.

Wrap for the air, not just for the shape. Freezer burn is dehydration — dry freezer air pulling moisture out of exposed surfaces — so the enemy is trapped air, not cold. Double-bag or wrap in cling film inside a bag. Then label it. At minus 18 every packet looks like every other packet, and a marker line with the contents and the date is the difference between rotating your freezer and excavating it.

Frozen properly, quality holds for months rather than days: mince and sausages a few months, chicken pieces longer, whole cuts of red meat longest of all. Past that, in a freezer that has genuinely held minus 18, the meat is not spoiling so much as drying out and dulling in flavour.

Thawing without wrecking the texture

The fridge is the right place, and overnight on a plate on the bottom shelf is the right method. It is slow, but the meat never spends time in the warm range where spoilage organisms multiply fastest, and it loses less liquid, so it browns properly in the pan afterwards. Plan a day ahead and this costs you nothing.

When you have not planned ahead, seal the meat in a bag and sit it in a bowl of cold water, changing the water every half hour. Cold, not hot — hot water warms the outside long before the middle gives up. The microwave defrost setting works if you are cooking immediately after, because it always cooks the edges a little. What you should never do is leave a packet on the counter through a Lahore afternoon: the surface sits warm for hours while the middle is still solid.

Once meat has thawed in the fridge, cook it within a day or so. You can freeze it again after cooking — a pot of cooked qeema freezes very well — but refreezing it raw, after it has properly thawed, costs you texture every time.

Keeping raw and ready-to-eat apart

Cross-contamination is a small-kitchen problem more than a hygiene-standards problem: one board, one knife, one counter, and sabzi being chopped where a chicken sat five minutes ago. Keep one board for raw meat and another for everything else, and if you only have one, do the salad and sabzi first and the meat last, then wash board, knife and hands in hot soapy water before anything else touches them.

Do not rinse raw chicken under the tap. It does not clean it, and the splash carries several feet across the sink and the counter. Pat it dry with kitchen paper and bin the paper. Wipe down the counter afterwards rather than wiping the crumbs along it.

What to do when the power goes

Load shedding is part of the calculation here. The single most useful thing is to keep the door shut: an unopened freezer holds its cold for a long stretch, and a full one holds it far longer than a half-empty one, because frozen mass is its own ice pack. Fill the gaps with bottles of frozen water and you buy yourself hours for nothing.

When the power comes back, judge by the food, not the clock. Packets still hard with ice crystals through them never really thawed and can stay where they are. Anything that has gone soft, warm and wet through the middle has spent hours in the wrong range, and the sensible move is not to gamble on it. Keeping a rough rotation — oldest at the front — means you are never guessing about the packet at the back either.