Every year the average UK household throws away a small fortune in food — bags of salad gone slimy, bread turned stale, leftovers forgotten at the back of the fridge. As a food technology teacher, I’m forever reminding my students that good cooking starts with respecting your ingredients. The happy news is that wasting less is mostly about a few simple habits. Here are the ones that make the biggest difference in my own kitchen.
Plan Before You Shop
Most waste begins at the supermarket, long before anything reaches the bin. Take five minutes to plan a few meals for the week and write a proper list. Check what you already have lurking in the cupboards and freezer first — you’ll be surprised how often you’ve bought something twice. Shopping with a plan means you buy what you’ll actually eat, not what looks tempting on the day.
Store Food the Right Way
A huge amount of waste comes down to poor storage. Keep herbs fresh by standing them in a glass of water like a little bouquet, or wrap them in a damp cloth. Store potatoes and onions somewhere cool and dark, but keep them apart — together they spoil faster. Most fruit and veg lasts far longer in the fridge than in a bowl on the side. Learn where things keep best and you’ll buy far less, far less often.
Understand Date Labels
“Use by” and “best before” are not the same thing, and confusing them costs us dearly. “Use by” is about safety — don’t eat it after that date. “Best before” is about quality; plenty of food is perfectly good days or even weeks afterwards. Trust your eyes and nose. A slightly bendy carrot or a yoghurt a day past its best is almost always fine.
Love Your Freezer
Your freezer is the single best weapon against waste. Bread, milk, cheese, cooked rice, ripe bananas, leftover sauces — nearly everything freezes. Portion things up before freezing so you can defrost just what you need, and label everything with the date. A well-stocked freezer also means there’s always a meal on hand when plans change.
Cook With What Needs Using First
Get into the habit of a quick fridge scan before you cook. Whatever’s looking tired goes in first. Wilting vegetables are perfect for soups, stir-fries, and curries; overripe fruit is ideal for smoothies, crumbles, or baking. I keep a “use me up” shelf in the fridge so nothing gets forgotten.
Get Comfortable With Leftovers
Cook once, eat twice. Make a little extra and you’ve got tomorrow’s lunch sorted. Roast chicken becomes a sandwich filling, then a stock from the bones. Yesterday’s mash tops a fish pie. Treat leftovers as the start of the next meal rather than an afterthought and you’ll throw away far less.
Master a Few “Anything Goes” Meals
Some dishes are designed to mop up odds and ends. Frittatas, fried rice, soups, traybakes, and pasta bakes will happily take whatever needs using. These are the recipes I teach first, because once you’ve got the method, you never need to follow it exactly again.
Serve Smaller Portions
It’s easy to dish up more than anyone can eat, and the excess ends up scraped into the bin. Serve a little less and let people go back for seconds if they’re still hungry. It saves food and, often, saves the washing-up too.
Use Your Scraps
Vegetable peelings and offcuts make a lovely homemade stock. Stale bread becomes breadcrumbs or croutons. Citrus peel can be zested and frozen. There’s far more usable food in our scraps than we tend to think.
Compost the Rest
Whatever genuinely can’t be eaten needn’t be wasted. A small kitchen caddy or compost bin turns peelings and scraps into something useful for the garden, closing the loop nicely.
Cutting food waste isn’t about being strict — it’s about small, sensible habits. Start with one or two, and before long you’ll be saving money and food without even thinking about it.