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📝 Inventory management & stock control · ⏱️ 2 min read

How do I calculate which products I can remove from my purchasing without limiting my menu?

📝 KitchenNmbrs · updated 13 Mar 2026

Most restaurants carry 30-40% more ingredients than they actually need. You think trimming your inventory means cutting menu options, but that's backwards thinking. Smart ingredient analysis lets you slash costs while keeping every dish your customers love.

Analyze your ingredient usage per dish

Create a spreadsheet listing every ingredient you purchase. Count how many dishes use each one. Ingredients appearing in just one dish? Those are your goldmine for cuts - if you're willing to tweak or drop that single dish.

💡 Example:

Restaurant with 25 dishes on the menu:

  • Basil: used in 8 dishes → keep
  • Truffle oil: used in 1 dish → candidate for removal
  • Goat cheese: used in 3 dishes → keep
  • Wasabi: used in 1 dish → candidate for removal

Calculate the costs per ingredient

Don't just look at purchase price. Factor in waste from spoilage, storage space, and ordering time. Most kitchen managers discover too late that their "cheap" specialty ingredients cost 3x more than expected once you account for waste.

💡 Example calculation:

Truffle oil for 1 dish (10 portions/month):

  • Purchase price: €45 per bottle
  • Used: 20% of bottle per month
  • Waste: 30% (goes bad)
  • Actual costs: €45 × 0.20 × 1.30 = €11.70/month

Per portion: €1.17 in truffle oil

Find replaceable ingredients

Hunt for expensive, single-use ingredients you can swap with items already in your kitchen. That truffle oil pasta might taste incredible with the garlic-infused olive oil you're using elsewhere. Your customers won't know the difference, but your bottom line will.

⚠️ Be careful:

Test replacements thoroughly first. A cheaper ingredient that ruins the taste costs you more than you save through unhappy guests.

Calculate total savings

Add up everything you'll save: purchase costs, reduced waste, freed storage space, less ordering time. Compare this against potential revenue loss if you modify or remove dishes.

  • Savings on purchases per month
  • Less waste from spoilage
  • Freed-up space in refrigeration/storage
  • Less time spent on ordering and checking

💡 Example overall picture:

By removing 5 rarely used ingredients:

  • Savings on purchases: €180/month
  • Less waste: €45/month
  • Time savings on ordering: €50/month
  • Total: €275/month = €3,300/year

Implement changes gradually

Start with obvious swaps - ingredients you can replace without anyone noticing. Then modify dishes or cut them entirely. Frame menu changes as "seasonal updates" rather than cost-cutting moves.

How do you calculate which products to remove? (step by step)

1

Create an ingredient list with usage frequency

List all ingredients you purchase and count how many dishes each is used in. Ingredients that appear in only 1-2 dishes are candidates for removal.

2

Calculate the actual costs per ingredient

Calculate what each ingredient actually costs per month: purchase price + waste from spoilage + storage costs. Divide this by the number of portions you use it in.

3

Find replacements and calculate savings

Look at which expensive ingredients you can replace with ingredients you already use for other dishes. Add up the total monthly savings and compare with any loss in revenue.

✨ Pro tip

Target your 7 priciest single-dish ingredients over the next 30 days. Run the true cost calculation including waste - you'll often find €200+ monthly savings hiding in plain sight.

Calculate this yourself?

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

Try KitchenNmbrs free →

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Frequently asked questions

What if an expensive ingredient is my restaurant's signature?

Keep ingredients that define your brand identity, even if they're pricey. Focus on ingredients that guests don't consciously notice or taste. Your signature truffle risotto stays - but maybe that single wasabi dish can go.

How often should I review my ingredient list?

Review twice yearly during seasonal transitions, plus after every menu change or major supplier price increase. Takes 2-3 hours but typically saves thousands annually.

What is a realistic savings goal when removing products?

Expect 5-15% savings on total purchasing costs through smart elimination and substitution. For a restaurant spending €8,000 monthly, that's €400-1,200 back in your pocket each month.

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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