Cooking With Dried Herbs: The Complete Guide

Dried herbs have a bad reputation, and most of it is earned by how people use them. Scattered raw over a finished dish they taste like dust. Added at the right moment, to the right dish, they do something fresh herbs genuinely can't. This is the guide to knowing which is which — conversions, timings, a herb-by-herb reference, and the regional combinations worth memorising.

Herbs vs spices — a distinction that matters

Herbs are the leaves of a plant. Spices come from everything else: seed, bark, root, berry, bud. That's not pedantry — it changes how you cook with them. Leaves are delicate and give up their flavour into moisture relatively quickly. Seeds and bark are dense and need heat, fat and time.

It's why spices go into hot oil at the start of a curry and herbs go into the liquid. Same kitchen, opposite handling.

When dried actually beats fresh

Not a consolation prize — there are dishes where dried is the correct choice:

  • Long-cooked dishes. Stews, braises, ragù, soups. Fresh herbs collapse into nothing over an hour; dried ones slowly release flavour across the whole cook.
  • Rubs and dry mixes. Fresh herbs add moisture, which ruins a rub's crust.
  • Oregano, specifically. Drying concentrates its aromatic oils, and Greek and Italian cooks reach for dried by preference, not necessity.
  • Marinades and dressings. Dried herbs rehydrate in the oil and vinegar and distribute far more evenly.
  • Anything baked. Focaccia, herb bread, savoury scones.

Where fresh wins outright: raw garnishes, salads, salsa verde, pesto, and the soft herbs — basil, coriander leaf, parsley, dill — used as a finishing flourish. Dried basil in a caprese salad is simply wrong.

The conversion, and the timing

Fresh to dried: use one third. 1 tablespoon fresh = 1 teaspoon dried. Going the other way, multiply by three.

For ground dried herbs, cut again by about half — grinding releases far more surface area, so ½ tsp ground does the work of 1 tsp of leaf.

Timing is the part people get wrong. Dried herbs go in early — they need liquid and time to rehydrate and release. Fresh herbs go in at the end, or their aromatics simply cook off. Add dried oregano in the last thirty seconds and you'll taste the texture, not the herb.

One useful trick: crush dried herbs between your palms as you add them. Warming and breaking the leaf wakes up the oils, and takes two seconds.

Rubbed, leaf or ground

  • Rubbed — leaves crumbled to a light, fluffy texture. Best of both: more surface area than whole leaf, gentler than ground. Our Greek rubbed oregano is this style.
  • Whole leaf — slowest release, best for long cooking and for anything you'll strain out.
  • Ground — fastest and strongest, but fades quickest in storage. Best in rubs and dry mixes.

Herb by herb

Herb Tastes like Best in
Oregano Peppery, robust, slightly bitter Tomato sauces, pizza, lamb, Greek dishes
Thyme Earthy, gently floral, savoury Roast chicken, stocks, mushrooms, potatoes
Rosemary Piney, resinous, assertive Lamb, roast potatoes, focaccia — use sparingly
Basil Sweet, mild once dried Tomato dishes, Italian sauces (not salads)
Sage Musky, slightly medicinal, powerful Pork, stuffing, brown butter, squash
Marjoram Like oregano but sweeter and softer Sausages, vegetables, delicate tomato dishes
Tarragon Aniseed, elegant, distinctly French Chicken, eggs, béarnaise, creamy sauces
Parsley Mild, grassy, a background note Blends, sauces, anywhere needing gentle green
Dill Fresh, grassy, faintly aniseed Fish, potatoes, yoghurt, pickles
Mint Cool, sweet, bright Middle Eastern dishes, lamb, yoghurt, tea
Chives Delicate mild onion Eggs, potatoes, dips, finishing
Bay leaves Subtle, savoury, background depth Stocks, stews, rice, dal — remove before serving
Kasuri methi Bittersweet, unmistakably Indian Butter chicken, dal, paneer — crush and add at the end
Mexican oregano Citrusy, earthier — a different plant entirely Tacos, salsas, chilli, beans
Epazote Pungent, resinous, unusual Black beans, quesadillas, traditional Mexican

Two herbs that aren't what you'd assume

Mexican oregano is not oregano. Mediterranean oregano is in the mint family; Mexican oregano is a different plant altogether, with a citrusy, earthier profile. They're not interchangeable — using Greek oregano in a taco filling gives you an Italian-tasting taco.

Kasuri methi is added at the end. Unlike most dried herbs, fenugreek leaves go in during the last minute or two, crushed between your palms over the pot. Cook them long and the bitterness takes over.

Regional herb profiles

  • Italian — oregano, basil, thyme, rosemary, marjoram. Our Italian herb seasoning is this in one jar.
  • Greek — oregano above all, with mint, dill and thyme. Heavier on the oregano than Italian cooking.
  • French — thyme, tarragon, bay, marjoram, sage. Subtler and more aromatic; tarragon is the signature.
  • Mexican — Mexican oregano and epazote, alongside cumin and chilli rather than other herbs.
  • Middle Eastern — mint, parsley, thyme, and za'atar, which combines thyme with sumac and sesame.
  • Indian — few dried herbs, but kasuri methi, bay and curry leaf are essential where used.

Our mixed herbs (thyme, sage and marjoram) is the general-purpose British-style blend, and organic herb salt seasons and salts in one.

Substitutions

  • Oregano ↔ marjoram — 1:1, almost identical. Marjoram is sweeter.
  • Thyme → oregano or mixed herbs, 1:1.
  • Rosemary → thyme, 1:1, though nothing quite replaces that pine note.
  • Tarragon → a pinch of fennel seed, or basil. Tarragon is genuinely hard to substitute.
  • Sage → marjoram or thyme, and use a little more.
  • Italian herbs → equal parts oregano, basil and thyme.
  • Mexican oregano → Mediterranean oregano plus a little lemon zest — imperfect, but closer.

Our full substitutes guide covers spices as well.

Storage

Dried herbs are more fragile than spices — leaves are thin, so their oils are exposed and they fade faster. Realistically about a year at best quality.

  • Airtight, cool, dark, dry. Never above the stove.
  • Buy smaller quantities more often. Herbs take a lot of space for very little weight, so bulk is rarely the bargain it looks.
  • Colour is your indicator — vivid green means alive, khaki or grey-green means gone.
  • Smell before using. If crushing a pinch releases nothing, it will add nothing.

Frequently asked questions

How much dried herb replaces fresh?

One third. A tablespoon of fresh oregano is a teaspoon of dried. For ground dried herbs, halve again.

When should I add dried herbs?

Early, with the liquid, so they have time to rehydrate. Fresh herbs go in at the end. The main exception is kasuri methi, which is added in the last minute.

Do dried herbs go bad?

They don't spoil dangerously if kept dry, but they fade — about a year at best quality. Faded colour and no aroma when crushed mean it's time to replace.

What's the difference between mixed herbs and Italian seasoning?

Mixed herbs is the British blend, usually thyme, sage and marjoram, and leans savoury and earthy. Italian seasoning is oregano-and-basil-led and leans Mediterranean. Neither is a straight swap for the other, though both are useful.

Can I use dried herbs in salad dressing?

Yes — one of the better uses. Let them sit in the oil and vinegar for ten minutes before dressing so they rehydrate, rather than adding at the last second.

Why do my dried herbs taste like nothing?

Usually age, or adding them too late. Crush them between your palms as you add, put them in early, and check the aroma in the jar before you blame the recipe.

Is dried oregano better than fresh?

For cooked Mediterranean dishes, many cooks genuinely prefer it — drying concentrates its oils. For raw dishes and garnishes, fresh wins.

Building a herb shelf

Five cover most cooking: oregano, thyme, rosemary, bay and mixed herbs. Add basil for Italian, mint for Middle Eastern, and kasuri methi if you cook Indian.

Browse all herbs and seasonings or the full organic range.

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