15 Ways to Save Money on Groceries

Your weekly shop keeps getting more expensive, and the receipt rarely explains why. This guide shows you 15 practical ways to spend less on groceries, so more of your money goes on the food your household actually eats.

Food is one of the few regular costs you can change in a single trip. You cannot switch your rent overnight, but you can change how you shop, what goes into your basket and how much food ends up in the bin.

Most grocery overspending is not dramatic. It is a few extra items grabbed on the way to the till, a bag of salad that turns to slime in the fridge, and a bigger pack that looked cheaper but was not. Each habit seems small on its own. Across a month, they add up.

The ideas below are not about living on plain pasta or giving up the foods you enjoy. Some take five minutes to set up. Others take a little longer to build into your routine. Pick one or two to start with, then add more when they feel natural.

Nothing here asks you to buy cheaper versions of everything. Instead, you will learn how to read shelf labels, when to check the reduced section, how to keep food from going off, and how to cook in ways that stretch one shop further. Many of these habits suit busy families, students and anyone trying to make a tight budget work in the UK.

Each entry explains why the habit works and gives you one step to try this week, so you can make progress without a complicated plan. Think of the list as a menu of options. You choose what fits your kitchen, your schedule and the people you cook for.

If you have read other money guides, some of these basics may already be familiar. The difference here is the focus on the shop itself, from the moment you pick up a basket to the moment you put the shopping away.

Some of the ideas are about planning, and some are about the moment you stand in front of the shelf. Both matter. A good plan stops you buying things you do not need, and a quick check in the aisle helps you choose well when something unexpected catches your eye.

You do not need to track every penny to make progress. Start with the habits that feel easiest, and let the rest follow as your routine settles. Many people find the first week is the hardest, because the old habits are still there. Stick with it for a fortnight, and the new routine will feel more natural.

Grab a pen or open your notes app, then look at your last three receipts. You may spot patterns you can change straight away. Let’s start 👇

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1. Compare Unit Prices, Not Sticker Prices

Shelf labels in UK supermarkets show a unit price, usually per kilogram, per litre or per 100 grams, alongside the price of the whole pack. That small figure is the fairest way to compare two products. A bigger pack can look like a bargain yet cost more per gram than a smaller one, and a multi-buy offer can hide a higher unit price. Before you put something in the basket, check the unit price of the item you usually buy and compare it with the other sizes and brands on the shelf. You do not need a calculator, just the number printed on the label. Repeat this for the items you buy every week, and you will quickly learn which sizes really give you the lowest cost.

Why it works: The unit price strips away packaging and promotions, so you compare like with like.

Try this: On your next shop, check the unit price of three items you buy every week and note which size gives the lowest figure.

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2. Check the Reduced-to-Clear Section

Many UK supermarkets mark down fresh food as its use-by date approaches. Bread, meat, fish, ready meals and salads often appear in a special section or on a sticker. These items are a good buy as long as the use-by date is still ahead of you and you plan to cook or freeze them on the day or soon after. Make it a habit to check the reduced section at the same time each shop, because stock changes through the day. Before you pick something up, ask yourself a simple question: will I definitely eat this? If the answer is yes, reduced food can be an easy way to cut your bill. If the answer is no, leave it on the shelf, even at a lower price.

Why it works: Fresh food often has the biggest markdowns, and you still get good quality if you use it in time.

Try this: Choose one fresh item you already plan to cook this week and check the reduced section for it before you go to the till.

3. Freeze Bread and Leftovers Before They Spoil

A surprising amount of grocery money goes straight into the bin. Bread, milk, cheese, fresh herbs and leftover dinners can all be frozen, so you can use them later rather than throwing them away. Freeze bread as slices so you can take out only what you need, and freeze leftovers in portions with a label and date. Milk can be frozen in its carton, leaving a little space at the top for expansion, and then thawed in the fridge. Freezing works best on the day you buy something or the day a meal is cooked, while the food is still in good condition. Follow the guidance on the packet, and always check the use-by date on fresh food before you freeze it. For more ideas on storing food, Love Food Hate Waste, run by WRAP, has practical guidance for UK households.

Why it works: Food you have already paid for stays useful, so you buy less to replace what would otherwise spoil.

Try this: Tonight, portion any leftovers into a labelled container and freeze them before the fridge fills up.

4. Store Fresh Food Properly

How you store food affects how long it lasts. Many fruits and vegetables keep better out of the fridge, while salad leaves and herbs often last longer when wrapped in kitchen paper and kept in a sealed container. Keep ripe bananas and apples away from other produce, because they release a gas that speeds up ripening nearby. Store onions and potatoes in a cool, dark, ventilated place rather than in plastic bags. Put newly bought food at the back of the fridge and move older items to the front, so you use them first. It also helps to check that your fridge is not running too warm, since that can shorten the life of everything inside. A few small storage changes can make vegetables usable for longer, which means more meals from one shop.

Why it works: Food that lasts longer gets eaten rather than binned.

Try this: Wrap your salad and herbs in kitchen paper inside a sealed container, then check them again after two days.

5. Buy Whole Foods and Prepare Them Yourself

Pre-grated cheese, pre-chopped onions, bagged salad mixes and ready-cut fruit are convenient, but you pay for the work someone else has done. Whole ingredients are usually cheaper per portion. A block of cheese can be grated in a minute, a whole chicken can be roasted and then portioned into several meals, and a sweet potato can be cut into chips at home. Buying whole vegetables and preparing them yourself also gives you more control over quantity, so you buy only what you need. Preparation takes a few minutes, and you can do it in batches while you listen to something or make a cup of tea. You do not need to cook from scratch every night. Start with the one or two items you buy prepared most often, and try the whole version next time.

Why it works: You pay less for the same food when you skip the processing, and you can choose the amount.

Try this: Swap one pre-cut item for its whole version this week, and prepare it in one go on Sunday.

6. Cook Big Batches of Soup, Stew and Chilli

A large pot of soup, stew or chilli can feed a household for several meals, and it often uses ingredients you already have. Lentils, onions, carrots, tinned tomatoes and a few stock cubes can become a warming dinner on the first night and lunch the next day. Batch cooking also saves energy, because the oven or hob runs once rather than several times across the week. Divide the leftovers into labelled containers and freeze the portions you will not eat within a few days. Recipes that reheat well are the best choice, such as bean chilli, vegetable soup and slow-cooked stews. Keep a note of the ones your family enjoys so you can repeat them. Over time, you will build a small bank of meals that save money and stop you ordering takeaways on tired nights.

Why it works: One cook covers several meals, so you buy fewer single-use ingredients and waste less food.

Try this: Cook a double portion of a soup or chilli this weekend and freeze half in labelled tubs.

7. Keep Dried Beans, Lentils and Tinned Pulses in the Cupboard

Beans, lentils and chickpeas are some of the most useful ingredients in a budget kitchen. They are filling, they keep well in the cupboard, and they suit a wide range of dishes. Dried pulses are usually the cheapest option per portion, but they need soaking and longer cooking, and some beans must be boiled hard first, so always follow the packet instructions. Tinned pulses cost a little more but save time, which makes them handy for weeknights. Red lentils cook quickly, which makes them a useful base for dhal, soups and simple stews. Pulses also add fibre and help meals feel satisfying, so a small portion goes a long way. Keep a bag of dried lentils and a few tins in your cupboard, and you will always have a plan B when the fridge looks empty.

Why it works: Pulses are cheap, store well and turn a simple recipe into a filling meal.

Try this: Cook a pan of red lentils this week and use them as the base of a soup or a stew.

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8. Buy Seasonal Fruit and Vegetables

Fruit and vegetables tend to cost less when they are in season, because they are plentiful and do not have to travel as far. In the UK, you will often find British strawberries in summer, apples and squash in autumn, and leeks and cabbage in winter. Seasonal produce also tends to taste better, so a small amount can feel satisfying. Check the display near the entrance and the price labels for items that look plentiful and fresh. Keep your recipes flexible, so that if courgettes are good value this week, you can use them in a pasta bake, a soup or a fritter. Eating with the seasons takes a little planning, but it also brings more variety to your meals and stops the same few vegetables appearing every week.

Why it works: Seasonal produce is usually plentiful, fresher and easier to buy in good condition.

Try this: Pick one vegetable that is in season this month and build a meal around it this week.

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9. Choose Frozen Fruit and Vegetables for Everyday Cooking

Frozen peas, sweetcorn, spinach, mixed vegetables and berries are usually frozen soon after harvest, which helps them keep their goodness. They are ready to use, so there is no waste from half a bag of wilting greens. You can take out exactly the amount you need and return the rest to the freezer. Frozen fruit suits porridge, smoothies and crumbles, and it can cost less than fresh berries out of season. Look for packs with no added sauces or sugar, because the food stays simple and you know what you are getting. Frozen vegetables also work well in stir-fries, curries and soups, adding colour and bulk to a meal without much extra cost. Keep a couple of bags in the freezer, so you always have something to add to dinner even in the last week of the month.

Why it works: You use exactly what you need, so less food is left to go off.

Try this: Add one bag of frozen vegetables to your next pasta or curry and see how far it stretches the meal.

10. Shop With a Basket, Not a Trolley

A trolley is large, and it is easy to fill it with things you did not plan to buy. A basket has a natural limit, so you tend to pick up only what is on your list. If you are doing a bigger family shop, put your planned items in the trolley first, then check the running total before you add anything extra. Keep an eye on the end-of-aisle displays, which are designed to catch your attention. If you are only popping in for a few things, a basket keeps the trip short, and the shorter the walk, the fewer temptations you meet. Many people find that a basket gives them a simple boundary they can see and feel, and that alone can change the size of the bill.

Why it works: A physical limit helps you spot extras before they reach the till.

Try this: On your next top-up trip, go in for three items and use a basket instead of a trolley.

11. Avoid Shopping When You Are Hungry

Shopping on an empty stomach often leads to a bigger basket. Bakery items, snacks and ready-to-eat food look far more appealing when you are hungry, and it is easy to add things you would not otherwise choose. Try to shop after a meal, or have a small snack before you go. If you can only shop when you are hungry, make a clear list and stick to it. Online shopping has a similar effect, so take a moment to review your basket before you confirm the order. Going to the shop with a plan for dinner also helps, because you know which ingredients you need and do not have to wander. These small habits cut down on unplanned purchases, and across a month the difference becomes noticeable.

Why it works: Hunger affects what looks appealing, so a snack before you shop can make the basket more focused.

Try this: Eat a snack before your next shop, then check your list before you walk through the door.

12. Look Above and Below Eye Level

Products at eye level are often the ones shops most want you to notice, and they can be the more expensive brands or the best-selling sizes. Cheaper alternatives and larger packs are frequently on the top or bottom shelves. This is not a trick you need to fear, but it is worth checking the full shelf before you choose. Stand back for a moment and look at the whole row, not only the product in front of you. Compare the unit price across the shelf, and you will often find a better option lower down or higher up. Reading the shelf takes a few seconds, and it can make a real difference on items you buy every week, such as tinned tomatoes, cereal, rice and pasta. Make it a habit to scan every shelf in an aisle before you decide.

Why it works: Placement affects what you notice first, so a quick look at the full shelf can reveal better value.

Try this: Check the top and bottom shelves for tinned tomatoes or pasta the next time you shop.

13. Compare the Basics Across Two Shops

If you live near more than one supermarket, the basics may cost less at one than the other. Make a list of ten items you buy every week, such as milk, eggs, bread, rice, tinned tomatoes, bananas and washing-up liquid. Then check the price of each one at the two shops you use most. Discount supermarkets and main supermarkets often price staples differently, so the check is worth doing. You do not need to shop at two places every week. Once you know which shop is cheaper for your basics, you can choose your main shop accordingly and make a separate trip only for items that are much cheaper elsewhere. Prices change, so repeat the check every few months, and update your list as your household’s needs change.

Why it works: Your basics make up much of the bill, so one comparison can change where you do your main shop.

Try this: Write down ten weekly staples and check their shelf prices at your two most-used shops this month.

14. Build In Some Meat-Free Dinners

Meat is often one of the most expensive items in the basket, so buying it less often can reduce your bill over time. You do not need to become vegetarian to do this. Start with one or two meat-free dinners a week, such as a bean chilli, a vegetable curry or a lentil bolognese. Eggs, cheese, beans and lentils all provide protein, and they can cost less per portion than meat. Choose recipes your household already likes, and make the swap gradually so it does not feel like a punishment. Keep spices, stock and a few sauces in the cupboard, because flavour is what turns a meal from ordinary into something people look forward to. Serve it with rice or bread, and the plate will feel complete.

Why it works: Swapping some meat for pulses or eggs lowers the cost per meal without losing the main event.

Try this: Choose one dinner this week that uses lentils or beans instead of meat, and add extra spices for flavour.

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15. Keep a Running Total as You Shop

Many shoppers only learn what they spent when the receipt prints or the card payment appears on their phone. Keeping a running total as you go lets you adjust before you reach the till. Some people add up prices in their head, while others use a calculator or a notes app. Round each price up slightly so you leave a little room for surprises. If the total is higher than you planned, you can put back the least needed item, which is far easier at the shelf than at the checkout. Writing the running total on the back of your list also helps you see what each trip costs across the month. It takes a little practice, but within a few shops it becomes second nature, and you start to know roughly what your usual basket costs.

Why it works: Seeing the total as you go turns a surprise at the till into a decision on the shelf.

Try this: On your next shop, keep a running total in your phone’s notes and compare it with your planned amount at the end.

Why This Matters

Groceries are one of the few monthly costs you can change in a single trip. You may not be able to switch your energy supplier overnight, but you can change what goes in your basket and how much of it you waste. Small changes free up money for other goals, such as an emergency fund or a holiday.

If you are pregnant or have a child under four, GOV.UK explains how Healthy Start can help with foods such as milk and fruit, depending on your circumstances.

How to Get Started

Start small. Pick three ideas from this list that suit your household, and try them over the next two weeks. Write down what you spent before and after, and notice which changes felt easy. Then add one more habit each fortnight.

If you want the bigger picture of your money, the free Budget Planner from MoneyHelper lets you enter your income and spending to see what is left over.

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Conclusion

Cutting your grocery bill rarely comes from one big change. It comes from reading the shelf, planning how food gets used and making each shop a little more deliberate. Pick two or three ideas from this list, try them for a fortnight and keep what works.

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Frequently Asked Questions

Is the unit price more useful than the sticker price?

Usually, yes. The unit price shows the cost per kilogram, litre or 100 grams, so you can compare different pack sizes fairly.

Is food from the reduced section safe to buy?

It can be, as long as the use-by date is still ahead of you. Cook or freeze it by that date and follow the storage advice on the packet. If you are unsure, leave it on the shelf.

Can I freeze bread and milk?

Yes. Freeze bread in slices and milk in its carton, leaving some space at the top. Thaw food thoroughly and follow the guidance on the packaging.

Are dried beans always cheaper than tinned?

Usually they cost less per portion, but they need soaking and longer cooking. Some beans must be boiled hard first, so always follow the packet instructions.

Do I need an app to track food spending?

No. A notebook, a notes app or a simple spreadsheet works well.

How often should I compare prices across shops?

Every few months is a sensible routine, because prices and offers change. Check the basics you buy most often.

Should I buy fresh or frozen vegetables?

Both can work well. Frozen vegetables keep for longer and let you take out just what you need, while fresh vegetables suit meals you plan to cook within a few days.

What can I do if my family does not like meat-free meals?

Start with one meal a week that uses flavours your family already enjoys, such as a chilli or a curry. Build up slowly rather than changing everything at once.

How do I stop extra items reaching my basket?

Keep a running total and check your list before you reach the till.

Where can I get free help with money if things are tight?

Citizens Advice offers free guidance on money and benefits, and MoneyHelper is a free, government-backed service. You can also check GOV.UK for support you may be eligible for.

General information only, not financial advice. Check your own situation, or speak to a free service such as MoneyHelper if you are unsure.

Where to Read More

• MoneyHelper: https://www.moneyhelper.org.uk
• GOV.UK: https://www.gov.uk
• Citizens Advice: https://www.citizensadvice.org.uk
• Which?: https://www.which.co.uk
• Money Saving Expert: https://www.moneysavingexpert.com
• Ofgem: https://www.ofgem.gov.uk
• Ofcom: https://www.ofcom.org.uk

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