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Why the Spice Rack Above Your Hob Is Ruining Your Spices

Heat, steam, light and air make spices taste of dust, and the rack above the hob gets all four. A ten-second test, and better places to keep them.

By Eleanor Hale

Glass spice jars stored on a tiered insert inside a kitchen drawer

Our pick

Tala airtight glass spice jars (set of 5)

Why we picked it

  • Silicone-sealed clip tops keep air and steam out
  • Glass lets you see what’s running low
  • Works in a cupboard or a drawer

Worth knowing

  • Jars are larger than standard supermarket shakers
  • Clear glass still needs a dark place to keep spices fresh

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You follow a curry recipe to the gram and it tastes of not very much. The cumin has lived in the rack next to the cooker since you moved in. The recipe was fine. The problem is where the spices live.

Try this first: the rub test

Tip a little into your palm, rub it between your fingers and smell it. A strong, distinct aroma means it’s still good. If you have to hunt for the smell, it will add colour to the dish and very little else. It takes ten seconds, and it’s worth doing for every jar before you buy anything new.

Why the hob is the worst spot

Steam from a boiling pot rising into a spice rack mounted above the hob

Most of a spice’s flavour comes from volatile oils, compounds that evaporate and break down over time. Four things speed that up: heat, light, air and moisture. A rack above the hob gets all four, every time you cook.

Steam also finds its way into jars that get opened over a pan, which is why spices kept there tend to clump into solid lumps.

Diagram: where to store spices, from worst (rack above the hob) to best (drawer with airtight jars)

Whole or ground?

Three pairs of whole and ground spices in small bowls with a mortar and pestle

Ground spices have far more surface exposed to the air, so they fade much faster than whole seeds, pods and sticks. If you get through something often, like cumin, coriander or black pepper, buying it whole and grinding a little at a time makes a noticeable difference.

FormHow quickly it fadesBest kept
GroundNoticeably within monthsSmall jars, cool and dark, bought little and often
Whole seeds and podsMuch more slowlyAirtight jars, ground as needed
Dried herbsSomewhere in betweenAway from steam and sunlight

Spices rarely become unsafe as they age. They just get weaker, which is why the rub test matters more than any date on the label.

Three ways to store them properly

In a cupboard

The rack

Joseph Joseph CupboardStore under-shelf spice rack

Why it works: fixes under a cupboard shelf and pulls down so the labels face you, using space that’s usually wasted.

Less useful if: your shelves are slippery or uneven. Some owners find the adhesive struggles, so check the surface first.

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The jars

Tala airtight glass spice jars (set of 5)

Why it works: silicone-sealed clip tops keep air out far better than most supermarket shakers.

Less useful if: your current jars already seal tightly.

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In a drawer

The insert

Expandable 4-tier spice drawer insert

Why it works: holds jars at an angle so you can read everything at once, and adjusts to most drawer widths. A drawer is cool and dark by default.

Less useful if: your only free drawer is right next to the oven.

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The labels

Pre-printed spice jar lid labels

Why it works: lid labels can be read from above in a drawer. Write the date you opened each one on the side.

Less useful if: you’d rather hand-write your own.

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For whole-spice cooks

The grinder

Cuisinart electric spice grinder

Why it works: grinding whole spices in small batches gives the freshest flavour, and a dedicated grinder avoids coffee-flavoured cumin.

Less useful if: you only reach for spices once in a while.

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Or skip buying anything: move the spices away from the hob today, bin the ones that fail the rub test, and buy smaller amounts next time. That alone fixes most bland cooking.

The same enemies, heat and moisture, decide how long bread lasts too. See why your bread goes stale or mouldy so fast.

Kitting out a small kitchen? Start with why your non-stick pan stopped being non-stick.

Eleanor Hale

Eleanor Hale is the pen name of the Home Lifes editorial team. We research how kitchen kit works, read the manufacturers’ specs and independent tests, and tell you plainly what we’d buy and what we’d skip. How we work.