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📝 Purchasing, suppliers & strategy · ⏱️ 2 min read

How do I calculate the purchase price of dried herbs versus fresh herbs per portion?

📝 KitchenNmbrs · updated 16 Mar 2026

Dried herbs appear cheaper than fresh, but the per-portion cost tells a different story. Fresh herbs deliver less concentrated flavor, while dried varieties pack intensity at higher per-kilo prices. You'll discover exactly which option saves money for your dishes.

The difference in flavor strength

Dried and fresh herbs deliver vastly different flavor intensities. This affects how much you actually need:

  • Fresh herbs: Subtle flavor, requires larger quantities
  • Dried herbs: Intense flavor, small amounts needed
  • Standard ratio: 1 part dried equals 3 parts fresh

💡 Example:

Creating a tomato sauce with basil:

  • Fresh basil: 6 grams per portion
  • Dried basil: 2 grams per portion

Both deliver identical flavor impact.

Comparing purchase prices

Fair comparison means converting price per gram into "flavor equivalent" costs.

💡 Example calculation:

Basil pricing breakdown:

  • Fresh basil: €24.00 per kilo = €0.024 per gram
  • Dried basil: €45.00 per kilo = €0.045 per gram

But remember: 6g fresh = 2g dried for flavor

  • Fresh: 6g × €0.024 = €0.144 per portion
  • Dried: 2g × €0.045 = €0.090 per portion

Dried costs 37% less per portion!

Factor in shelf life

Fresh herbs spoil quickly, creating unavoidable waste. You must include this in your calculations:

  • Fresh herbs: 3-7 day lifespan, 10-20% waste typical
  • Dried herbs: 1-2 year shelf life, minimal waste

⚠️ Note:

Always factor waste into cost calculations. With 15% fresh herb waste, your real price becomes: purchase price ÷ 0.85

💡 Example with waste:

Fresh basil including 15% waste:

  • Base price: €0.144 per portion
  • Including waste: €0.144 ÷ 0.85 = €0.169 per portion

Dried remains €0.090 per portion

Gap widens: 47% cheaper with dried!

Season and availability

Fresh herb prices fluctuate dramatically by season. From years of working in professional kitchens, I've seen basil costs triple between summer and winter. Dried herbs maintain steady pricing:

  • Summer months: Fresh herbs affordable, dried relatively costly
  • Winter period: Fresh herbs expensive, dried prices stable
  • Year-round menus: Dried herbs provide predictable costing

Fresh herbs still make sense

Sometimes fresh herbs justify higher costs despite the expense:

  • Garnishing: Visual appeal demands fresh herbs
  • Signature items: Fresh flavor as your unique selling point
  • Premium dishes: €0.05 difference irrelevant on €35+ plates

💡 Practical tip:

Deploy dried herbs in sauces and marinades where flavor trumps appearance. Reserve fresh herbs for garnishes and visible applications.

Impact on your total food cost

Small amounts add up when herbs appear in multiple dishes:

💡 Annual impact calculation:

Restaurant serving 150 covers daily, 6 days weekly:

  • Annual volume: 46,800 portions
  • Per-portion savings: €0.079 (fresh vs dried)
  • Annual savings: €3,697

Nearly €4000 yearly savings just on herbs!

How do you calculate costs per portion? (step by step)

1

Determine the required amount per herb

Measure how many grams of fresh herb you use per portion. For dried: divide by 3 (rule of thumb). Test the flavor to make sure it's right.

2

Calculate the price per gram

Divide the purchase price per kilo by 1000 to get the price per gram. Check your supplier invoices for current prices.

3

Factor in waste

For fresh herbs: divide the cost price by (1 - waste percentage). For example: with 15% waste you divide by 0.85. Dried herbs have almost no waste.

✨ Pro tip

Track your dried versus fresh herb usage ratios weekly for 4 weeks to identify cost-saving opportunities. Most kitchens can reduce herb costs by 35% without affecting dish quality.

Calculate this yourself?

In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.

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Frequently asked questions

Can I substitute dried herbs for fresh in every recipe?

Not always - you need fresh herbs for garnishes and visible applications. But in sauces, marinades and braised dishes, dried herbs work excellently and cost less.

How long do dried herbs maintain their potency?

Dried herbs stay flavorful for 1-2 years stored in cool, dark conditions. They won't spoil after this period but lose intensity. Test color and aroma monthly.

Should waste factor into my herb costing?

Absolutely, especially with perishable fresh herbs. If you're discarding 15%, you're paying 18% above purchase price. This can eliminate profit margins on dishes.

Which herbs work better fresh regardless of cost?

Basil, parsley and cilantro for garnishing always need fresh varieties. Also any dish where customers see the herbs directly, like carpaccio or composed salads.

How frequently should I review herb pricing?

Check purchase prices monthly, particularly for fresh varieties. Seasonal price swings are dramatic - adjust your cost calculations when prices shift over 10%.

What's the best ratio for mixed herb strategies?

Use 80% dried herbs in your base preparations and 20% fresh for visible applications. This balances cost control with presentation quality effectively.

ℹ️ This article was prepared based on official sources and professional expertise. While we strive for current and accurate information, the content may differ from the most recent regulations. Always consult the official authorities for binding standards.

📚 Sources consulted

Food Standards Agency (FSA) https://www.food.gov.uk

The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.

JS

Written by

Jeffrey Smit

Founder & CEO of KitchenNmbrs

Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.

🏆 8 years kitchen manager at 1NUL8 Group Rotterdam
Expertise: food cost management HACCP kitchen management restaurant operations food safety compliance

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