Testing new ingredients without knowing their true cost is like cooking blindfolded. Suppliers often charge different rates during trial phases - sometimes discounted to hook you, sometimes premium for small batches. You need the real numbers before committing to any ingredient permanently.
Why trial period prices are different
Suppliers often use special rates during test phases. This can be either more favorable (introductory discount) or more expensive (smaller quantities, no contract discount). For your cost price calculation, you need the definitive price.
⚠️ Note:
Never calculate with trial period prices for your definitive cost price calculation. This gives a distorted picture of your food cost.
Gather all relevant pricing information
Ask your supplier for transparency about different pricing structures. You need this information:
- Trial period price (what you're paying now)
- Standard purchase price for regular orders
- Volume discounts for larger quantities
- Contract prices for long-term agreements
- Seasonal price fluctuations
💡 Example:
You're testing a new type of beef for your steak:
- Trial period: €18/kg (small quantity)
- Regular: €16/kg (standard order 10kg)
- Contract: €14.50/kg (at 50kg/month volume)
For cost price calculation you use €14.50/kg if you reach that volume.
Calculate your expected consumption
Realistically estimate how much of this ingredient you'll use. This determines which price tier applies. Look at:
- Number of portions per week containing this ingredient
- Quantity per portion
- Product shelf life
- Storage capacity in your kitchen
💡 Consumption calculation:
Steak with 200g beef per portion:
- 25 portions per week × 0.2kg = 5kg/week
- Per month: 5kg × 4.3 weeks = 21.5kg
- Rounded: order 25kg per month
You don't reach the 50kg for contract price, so calculate with €16/kg.
Add a safety margin
Prices can increase between trial period and definitive purchase. Add 5-10% to the calculated purchase price to absorb price fluctuations. It's the kind of thing you only learn after closing your first month at a loss - suppliers don't warn you about their quarterly price bumps.
⚠️ Note:
Suppliers regularly raise prices. What you hear now could be different in 3 months. Build in a buffer.
Test the cost price in your recipes
Use the calculated definitive price to work through your recipe cost price. Check if your desired food cost remains achievable with this price.
💡 Cost price check:
Steak recipe with definitive prices:
- Beef 200g: €16/kg = €3.20
- Garnish: €1.80
- Total ingredients: €5.00
At selling price €28 (excl. VAT €25.69): Food cost = 19.5%
Document all price agreements
Record all pricing information before you permanently adopt the ingredient. This prevents surprises and disputes later. Note the validity period of price agreements.
How do you calculate the definitive purchase price? (step by step)
Request all pricing structures
Ask your supplier for the trial price, standard price, volume discounts, and contract prices. Also ask about seasonal fluctuations and how long prices remain valid.
Calculate your expected monthly consumption
Add up how much you need per week: number of portions × quantity per portion × 4.3 weeks. Check which price tier applies and whether you can realistically achieve that consumption.
Add safety margin and test cost price
Increase the expected purchase price by 5-10% for price increases. Calculate your recipe cost price with this and check if your food cost stays within your target.
✨ Pro tip
Lock in your definitive pricing within 14 days of completing your trial. Suppliers often withdraw introductory rates quickly, and you'll have concrete usage data to negotiate volume discounts.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Was this article helpful?
Frequently asked questions
Can I use the trial period price for my cost price calculation?
No, that gives a distorted picture. Trial prices are often temporarily more favorable or more expensive due to small quantities. Always calculate with the definitive price you'll pay for regular purchases.
What if the supplier won't give a definitive price?
Then the risk is too high. A serious supplier provides transparency about pricing structures. Without clear price agreements, you can't calculate reliably and run the risk of surprises.
How much safety margin should I build in for price increases?
Considering inflation and market developments, 5-10% is realistic. For highly volatile products (such as fish), you can use 15%. Check this quarterly and adjust if needed.
What if I don't reach the expected consumption for volume discount?
Then you pay the higher standard price. Calculate conservatively: use the price without volume discount in your cost price calculation. If you do reach the consumption, that's a bonus for your margins.
How often should I review price agreements?
At least quarterly, or immediately after your supplier announces price changes. Many suppliers send updated price lists monthly, so stay alert.
Should I factor in delivery costs during the trial period?
Absolutely - delivery fees often change between trial and regular orders. Small trial quantities might have higher per-kg delivery costs than your regular bulk orders will.
What happens if the ingredient fails my quality standards after calculating costs?
You've only invested time in calculations, not money in long-term contracts. This is exactly why you calculate realistic costs before committing - it helps you make informed go/no-go decisions.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
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.
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.
Optimize your purchasing with data
Know exactly which supplier is most cost-effective and how price changes affect your margins. KitchenNmbrs links purchasing directly to recipe costs. Try it free for 14 days.
Start free trial →