Supermarket Spices vs a Specialist: What You're Actually Paying For

A 30 g supermarket jar of cumin looks cheap. It usually isn't. Work it out per 100 g and the same spice from a specialist is often less than half the price — and that's before you get to the question of whether it still smells of anything.

This isn't a rant about supermarkets. They're brilliant at what they do, and for a spice you use twice a year, that little jar is exactly right. But there are four or five specific places where the supermarket model works against you, and they're worth knowing about.

The jar problem

Start with the obvious one. A supermarket spice jar holds somewhere between 20 g and 50 g. The glass, the lid, the shrink-wrap, the label and the shelf space all cost roughly the same whether that jar holds 30 g or 300 g — so the smaller the container, the more of your money goes to everything except the spice.

Do the arithmetic on the shelf label rather than the sticker price and the picture changes completely. It's the same reason a single-serve coffee sachet costs more per gram than a kilo bag of beans. Nobody's being dishonest; it's just what small packaging costs.

The freshness problem, which matters more

Here's the one that actually affects your cooking.

Ground spices lose their aromatic oils steadily. Most are noticeably weaker within nine to twelve months, and the pigment-heavy ones — turmeric, paprika, chilli — fade faster still. Whole spices are far more robust, holding on for two to three years, because the oils stay sealed inside until you crack them.

Now think about how a big retail supply chain works: bulk import, central warehouse, regional distribution, shelf. Each stage is measured in weeks or months, and it's designed that way for good reasons — reliability, scale, cost. But it means a jar can easily be a year old before anyone buys it, and the packing date is rarely on the label.

Specialists move faster mostly because they hold less. Smaller batches, quicker turnover, shorter time between packing and your kitchen. That's the actual argument — not that one is virtuous and the other isn't.

The test that settles it: open your oldest jar of ground cumin and smell it, then rub a pinch between your fingers to warm the oils and smell again. If it's faint or dusty, that's your answer, and no recipe is going to rescue it.

Range, and the cinnamon example

The supermarket carries what sells in volume. That's a rational business decision, and it's why the spice aisle is roughly the same in every store in the country.

Cinnamon is the clearest illustration. Most supermarkets carry one jar, labelled simply "cinnamon" — which is almost always cassia, the bolder, cheaper species. Genuine Ceylon (Cinnamomum verum) is a different plant with a different flavour and far less coumarin, and it's rarely stocked or clearly labelled. If you want to choose between them, you need somewhere that sells both and says which is which. We wrote about the difference in our Ceylon cinnamon guide.

The same goes for anything past the basics — fenugreek, sumac, nigella, Szechuan pepper, Mexican oregano. Not obscure, just not high-volume.

What the label doesn't tell you

Three things worth looking for wherever you shop:

  • Origin. "Product of Sri Lanka" means someone is accountable for a specific chain. "Packed in New Zealand" tells you where the last step happened and nothing about where it grew.
  • Species. Critical for cinnamon, and useful anywhere a common name covers several plants.
  • Whole vs ground. Whole keeps longer, tastes better and is much harder to adulterate. Our guide to spotting fake spices covers what gets padded and how to check.

Where the supermarket genuinely wins

Let's be fair about this, because the answer isn't "never shop there."

  • You need it tonight. Obviously.
  • You'll use it twice. If a recipe calls for star anise and you'll never make it again, buy the small jar. Buying 200 g to use 2 g is not a saving.
  • You want to try something first. Sensible.
  • It's a one-off for a specific dish. Same logic.

The specialist case is about the eight or ten spices you actually reach for every week. That's where the price gap compounds and the freshness gap shows up on the plate.

A rough way to split it

Buy at the supermarket Buy from a specialist
One-off recipe ingredients Your weekly workhorses — cumin, coriander, turmeric, paprika
Something you've never cooked with Whole spices you'll grind fresh
Emergencies Anything where species or origin matters
Tiny quantities of expensive things Superfood powders you take daily
Bulk for a café or a household that cooks a lot

Don't over-buy either

Bulk isn't automatically the answer. A kilo of ground turmeric at a great unit price is a bad deal if two-thirds of it goes dull in your cupboard.

The calculation is simple: weekly usage × 52. If the size you're eyeing is more than a year's worth of a ground spice, or two years of a whole one, go smaller. Most people badly overestimate how much they get through — our bulk buying guide works through it properly.

Common questions

Are supermarket spices bad?

No — they're regulated, safe and convenient. The trade-offs are price per gram, limited range and often older stock, none of which matter for a one-off and all of which matter for something you use weekly.

Why are specialist spices cheaper per gram?

Larger pack sizes spread the fixed costs of packaging and handling across more product. The saving is real, but it only materialises if you actually use what you buy.

How can I tell if my spices are old?

Smell them, then rub a pinch to warm the oils and smell again. Sharp and distinct is good; faint or dusty means past it. Faded colour is another reliable sign, especially in turmeric and paprika.

Is it worth buying spices online?

For range, origin transparency and price per gram, usually yes. The trade-off is you can't smell before buying, so you're relying on the seller being upfront about origin, species and how recently it was packed.

Which spices should I upgrade first?

The ones you use most — typically cumin, coriander, turmeric, paprika and pepper. Switching to whole peppercorns and grinding fresh is probably the single most noticeable change for the least money.

What about ethnic grocers?

Often excellent, especially for the spices central to that cuisine, where turnover is high. Origin labelling can be patchy, so check what you're buying — but on freshness and value they frequently beat both alternatives.

If you're switching

Start with the handful you cook with weekly rather than replacing the whole rack at once.

Browse the full spice range, organic products or pantry staples — packed in small batches in Auckland and shipped nationwide.

Keep reading

Back to blog