12 practical ways to stop wasting food at home

Millions of tonnes of food are thrown away every year, and a huge share of that happens at home — through spoilage and simply being forgotten. The good news: most of it is preventable with a few simple habits. Here are 12 you can start today.

The short answer

Most household food waste comes down to three things: buying more than you need, storing it wrong, and forgetting what you already have. The fixes are small — shop from a list written against what is in the fridge, store each group where it belongs, freeze in portions before food turns, and keep older items at the front. Twelve concrete habits follow.

The waste is mostly ours

It's tempting to picture food waste as something that happens in warehouses and supermarkets. The data says otherwise. The UN Environment Programme's Food Waste Index found the world throws away the equivalent of over a billion meals a day, and that households account for roughly 60% of it — more than food service and retail combined.

That's discouraging as a headline and encouraging as a fact: the largest single lever isn't held by a supply chain you can't influence. It's in your kitchen.

Three ways food dies at home

Nearly every wasted item in a household fails in one of three ways, and knowing which one you're prone to tells you which habits below will actually help you:

1. Bought and forgotten. It went to the back of a shelf and surfaced a week too late. This is a visibility problem.
2. Bought too much. Nothing was forgotten; there was simply more than could be eaten in time. This is a planning problem.
3. Stored wrong. It spoiled well before it should have — the wrong shelf, the wrong temperature, the door instead of the middle. This is a technique problem.

Most people have one dominant failure mode. Spend a week noticing which of the three sends things to your bin, and weight the tips below accordingly.

Before you shop

1. Look before you leave. Take a quick glance in the fridge and cupboards before shopping. Re-buying what you already own is the most common waste mistake.
2. Make a list and stick to it. Unplanned shopping fills the trolley with "might need it" items that end up in the bin.
3. Never shop hungry. Hunger puts more in the basket than you actually need.

Storage and organisation

4. Practise FIFO: first in, first out. Put new items at the back, older ones at the front, so what needs using stays in sight.
5. Create an "eat me first" shelf. Reserve one spot in the fridge for items nearing their date. Teach everyone in the house to check it.
6. Right temperature, right place. Keep dairy on inner shelves, not the door; store produce in the crisper drawer. The wrong spot shortens shelf life.

Make the freezer your friend

7. Freeze before it spoils. Freeze bread, meat, even ripe bananas as their date approaches. The freezer is your most powerful "time-buying" tool. See how long each food keeps in our freezer storage guide.
8. Portion and label. Split into single-use portions and write the date on top, so you never have to defrost one giant block.

Cooking and using up

9. Ask the reverse question. Instead of "what should I cook?", ask "what do I need to use up?" and build the menu around the nearest date.
10. Revive leftovers. Stale bread → breadcrumbs or toast. Softening vegetables → soup or stir-fry.
11. Serve smaller portions. Food left on the plate is waste too. Serve less; take seconds if needed.

And most importantly: track it

12. Track what expires when. Human memory isn't enough for a full fridge. That's exactly where freshIt comes in: it reads your grocery receipt, assigns each item an expiry date, and warns you before it spoils. We cover how to do this by hand in tracking expiry from your receipt.

Get the two temperatures right

Before any habit, fix the hardware. Two numbers do more work than the other eleven tips combined:

• Fridge at or below 4°C. Bacteria multiply fastest between roughly 4°C and 60°C, doubling in number in as little as 20 minutes at the warm end of that band. A fridge sitting at 8°C isn't "a bit warm" — it's inside the range where spoilage accelerates sharply.
• Freezer at or below −18°C. At that temperature food stays safe indefinitely; the times quoted in freezer guides are about quality, not safety.

Most fridges have a dial with numbers that mean nothing in particular. A cheap fridge thermometer on a middle shelf tells you the truth, and it's the single highest-return purchase in this entire article.

Two placement rules follow from the same physics: the door is the warmest part of the fridge, so milk and eggs don't belong there despite the moulded shelves that suggest otherwise; and cooked food goes above raw, so nothing drips onto something that won't be cooked again.

Three myths that cost you food

• "Best before means throw it away." It means the manufacturer stops guaranteeing peak quality. Dry pasta, rice and canned goods are routinely fine long past it. The date to obey strictly is use-by.
• "If I cut the mould off, it's fine." True for hard cheese and firm produce, where you can cut well around and below the spot. Not true for soft cheese, bread, jam, yogurt or anything soft and moist — mould threads spread invisibly through them. Those go.
• "Cool it on the counter first, then refrigerate." Leftovers should be refrigerated within two hours of cooking; longer than that and they've spent too long in the danger zone. Divide hot food into shallow containers to cool it fast rather than leaving one deep pot out.

A ten-minute weekly routine

Habits stick better when they're one appointment instead of twelve rules. Pick a fixed slot — the evening before your usual shop works well:

1. Empty the "eat me first" shelf into the week's meal plan.
2. Do a shelf sweep, front to back, and move anything close to its date forward.
3. Freeze what won't make it — bread, meat, the half-bag of spinach.
4. Write the list from what's left, not from scratch.

Four steps, ten minutes, once a week. It handles all three failure modes at once: it makes the forgotten visible, it plans against over-buying, and it forces you to look at how things are stored.

Good storage prevents half of all waste before it starts. To read dates correctly, see the use-by vs best-before guide; to see how long each food lasts, check the fridge shelf-life chart.

The common thread across all 12: waste comes not from a lack of knowledge, but from invisibility. Make the food in your fridge visible, and the money heading for the bin becomes visible too — and shrinks.

Related reading

• Best-before vs use-by: what does an expiry date really mean?
• How long does each food last in the fridge? A complete shelf-life chart
• Freezer storage guide