Most people who try low salt cooking in the UK give up within a fortnight, and it is nearly always for the same reason: they take the salt out and put nothing back in. Dinner tastes flat, everyone complains, and the shaker comes back to the table. The fix is not willpower. It is knowing what salt was actually doing in your cooking, and covering each of those jobs with something else. This guide walks through exactly how to do that, with the amounts, the techniques and a one-week plan to reset your palate.
Why low-salt cooking usually goes wrong
Salt does three jobs in a dish. It suppresses bitterness, it lifts aroma, and it makes savoury flavours taste bigger than they are. Take it away and you lose all three at once, which is why simply halving the salt in a recipe so often produces food that tastes like a punishment.
The cooks who succeed at eating less salt do not cook the same food with less salt. They cook slightly differently: more aromatics, more herbs, more browning, a squeeze of acid at the end. Each of those covers one of salt's jobs. Stack two or three together and most people honestly cannot tell the salt has dropped.
How much salt is too much?
The NHS advises adults to eat no more than 6g of salt a day, which is about one level teaspoon, and that includes the salt already inside everyday foods like bread, sauces, stock cubes and cured meats, not just what you add at the hob. Because so much of our intake arrives hidden in packaged food, home cooking is where you have the most control. A dinner you season yourself, from single spices and fresh ingredients, will almost always carry less salt than the equivalent ready meal or takeaway.
Low salt cooking UK: the five flavour levers that replace the shaker
Think of these as five dials. Salt was covering for all of them. Turn up two or three per dish and the food stops missing it.
1. Aromatics: onion and garlic do the heavy lifting
Onion and garlic cooked gently in a little oil build the savoury base that makes food taste finished. Granules work as hard as fresh here and never go off mid-week: half a teaspoon of garlic granules and a teaspoon of onion granules in a pan of mince, a soup or a tray of roast veg adds depth that reads as "seasoned" without a grain of added salt. Because they are single ingredients, Costack Garlic Granules and Costack Onion Granules bring nothing to the pan except garlic and onion.
2. Herbs: thyme is the workhorse
Dried herbs add aroma, and aroma is most of what we experience as flavour. Thyme is the one to start with because it suits nearly everything British home cooks make: stews, roast chicken, cottage pie, tray bakes, tomato sauces. Rub a teaspoon of Costack Dried Thyme between your fingers as it goes in to wake the oils up. Pure dried thyme is just thyme, so it adds flavour with no added salt at all.
3. Acid: the finishing move
A squeeze of lemon, a splash of vinegar or a spoon of tomato puree at the end of cooking brightens a dish the same way salt does. If a low-salt dinner tastes almost right but somehow dull, acid is nearly always the missing piece. Start with half a lemon per family-sized dish and adjust.
4. Heat: pepper and chilli give the palate something to notice
Black pepper and a pinch of chilli give your mouth an event. They do not replace saltiness directly, but they stop the brain hunting for it. Cracked black pepper added at the end keeps its punch; added early it mellows into the background.
5. Browning: flavour you cook, not sprinkle
A properly browned chicken thigh, seared mince or roasted vegetable edge carries deep savoury flavour that boiled or steamed food never has. Get the pan hot, do not crowd it, and let food sit still long enough to colour. Browning is free flavour, and low-salt cooking needs every bit of it.
The no-added-salt spice rack
If you are cutting salt, single spices are your safest friends, because a jar that contains one ingredient cannot smuggle salt in. A sensible starter shelf for UK weeknight cooking:
- Dried Thyme โ stews, roasts, sauces, tray bakes.
- Garlic Granules โ everything savoury, from mash to marinades.
- Onion Granules โ soups, mince, rubs, gravies.
From those three you can season a week of dinners with no added salt from the jar, then add salt yourself in small, deliberate amounts where it earns its place, rather than by habit.
What about seasoning blends?
Blends are built for convenience, and many, including some of ours, contain salt as part of the recipe. That is not a reason to avoid them; it is a reason to read the label and then put the shaker away. A herb-and-garlic-forward blend like Costack Vegetable Seasoning works harder per pinch than plain salt ever will, because it brings herbs, garlic and aroma along with the seasoning. The practical rule: if you season with a blend, that is the dish seasoned. No extra salt at the table. Citrus-led blends like Costack Lemon Pepper play the acid and heat levers at the same time, which makes them especially useful when you are cutting back.
Five low-salt dinners that don't taste like a compromise
One-tray herb chicken and veg
Chicken thighs, peppers, red onion and courgette, tossed in oil with a teaspoon each of thyme, garlic granules and onion granules. Roast at 200ยฐC for 35 to 40 minutes until the edges char. Finish with lemon.
Cottage pie with a garlic mash lid
Brown the mince properly first. Build the base with onion granules, thyme and tomato puree, and work garlic granules into the mash. The browning and the garlic carry it.
Weeknight tomato pasta
Soften onion, add garlic granules, tinned tomatoes, thyme and a pinch of chilli. Simmer 15 minutes and finish with a splash of the pasta water and plenty of black pepper.
Herby salmon traybake
Salmon fillets and new potatoes with lemon pepper seasoning. The citrus does the brightening a salt crust would normally do.
Spiced roast veg and rice
Roast whatever vegetables are in the drawer with vegetable seasoning, and serve over rice cooked with a bay leaf. Browning plus herbs plus aroma: none of it misses the shaker.
Reading labels: where UK salt actually hides
The salt you shake is the salt you see, but the bigger share of the daily total arrives in the trolley. Bread is the quiet one: two slices of standard sliced white can carry a meaningful fraction of a gram before lunch has even started. Breakfast cereals, cooking sauces in jars, baked beans, cured meats like bacon and ham, cheese, and anything smoked or brined all stack up quickly. None of these are forbidden foods; they are just foods to count.
The front-of-pack traffic light labels do the maths for you. As a working rule from the NHS guidance, a food is high in salt at more than 1.5g per 100g and low at 0.3g or less. Two habits pay for themselves within a week: compare two jars of the same sauce and take the lower one, and treat anything red-labelled as the seasoning for that meal rather than an ingredient in it. Cook the rest of the plate salt-free and the totals stay honest.
Cooking lower-salt for kids
Children's targets are lower than adults': the NHS guidance scales the maximum down by age, with younger children needing far less than the adult 6g. The practical kitchen consequence is helpful rather than restrictive. Cook the family meal using the levers above with little or no added salt, serve everyone from the same pot, and let adults who want it add a small pinch at the table. It is far easier to add salt to one plate than to take it out of four, and children who grow up on herbs, aromatics and browned food simply never build the habit you are now undoing.
A one-week plan to retrain your palate
Taste adapts faster than most people expect. Salt preference is a setting, not a fixed trait, and a week of consistent cooking moves it.
Days 1 and 2: cook as usual but add no salt at the table. Table salt is habit, not seasoning.
Days 3 and 4: halve the salt you add during cooking, and turn up two levers per dish: aromatics plus acid, or herbs plus browning.
Days 5 to 7: season entirely with single spices and one squeeze of acid per dish. By the weekend, most people notice that crisps and takeaways suddenly taste saltier than they remembered. That is the reset working.
Batch cooking without the salt creep
Batch cooks concentrate as they simmer and again when they reheat, which is why a chilli that tasted right on Sunday can taste salty on Wednesday. Season batch dishes to slightly under where you want them, and do the final adjustment in the bowl, not the pot. Freezer meals follow the same rule: label the container "needs lemon" or "needs pepper" and finish each portion fresh. The bonus is that everyone at the table gets to finish their own plate their own way, which is exactly how restaurants handle it.
FAQ: low-salt cooking
Do garlic and onion granules contain salt?
Not ours. Garlic granules and onion granules are single-ingredient spices: dried garlic and dried onion, nothing else. Garlic salt and onion salt are different products, so check which one is in your cupboard.
Is sea salt or pink salt healthier than table salt?
They are all sodium chloride, and the NHS 6g daily guideline applies to every kind. Fancy crystals change the texture, not the maths.
What is the single easiest swap to start with?
Stop salting at the table. It is the salt you taste least and miss least, and for most households it is a meaningful slice of the daily total.
Can I still use stock cubes?
Sparingly. Stock cubes are one of the saltiest things in the average UK kitchen, so if a dish gets a stock cube, treat the dish as fully seasoned and add nothing else.
Will my family notice?
If you only remove salt, yes. If you replace it with browning, herbs, aromatics and acid, the usual result is that nobody says anything at all, which is exactly what success looks like.
Build the low-salt shelf in one go
The No-Fuss Kitchen Starter (ยฃ40) bundles Costack's everyday seasonings into one box, so you have the herbs, aromatics and blends this guide leans on ready on the shelf, and it clears our free UK delivery threshold of ยฃ35 on its own. Start with the one-tray chicken above. If nobody at the table asks where the salt went, you have already won.
Related reading: Salt vs Seasoning: What the Supermarket Isn't Telling You, How to Build Real Flavour Without Cooking Skill and How to Fix Bland Food in 60 Seconds.
