Saving on groceries starts before you enter the supermarket. A shopping list works best when it is based on what you already have, a flexible meal plan and a budget based on previous shops.
Check before you shop
Look in your cupboard, fridge and freezer. First, note the food that has been opened and anything that will expire soon. Design several meals that share ingredients: one vegetable can be used for a soup, a side dish and a stir-fry without forcing you to eat the same dish repeatedly.
The European Commission recommends planning meals, using a list and understanding use-by and best-before dates as practical ways to prevent food waste. Throwing away less food means making better use of money already spent.
Build a list you can follow
Group items by area —fruit, chilled foods, cupboard, cleaning— and add approximate quantities. Set aside a small part of the budget for substitutions. A completely rigid list can lead you to buy an expensive option when an equivalent alternative is available.
Do not judge an offer by the size of the sign. Compare the price per kilogram, litre or unit, and ask whether you will use everything before it spoils. A larger format only saves money if it gets used.
Measure products, not just the total
Keeping the final amount tells you how much you spent, but the detail reveals why. For four weeks, review frequently purchased products, items whose prices vary between shops, food that ends up in the bin and small purchases outside your plan.
The Ministry of Agriculture’s food-waste report provides national context, but the best reference is your household’s actual pattern. Do not turn an aggregated figure into a personal target.
Close the loop when you get home
Put food that needs using first at the front, freeze portions you will not use and note what was left over at the end of the week. The next list should learn from that information. A flexible menu and an evening for using leftovers are often more sustainable than perfect planning.
Compare several receipts by product and retailer before changing your habits. Kinset can retain this detail and show repeat purchases, prices and places of purchase without requiring you to transcribe every line.
This content is for educational purposes; prices and needs depend on each household.