Recipe costs should drive every inventory decision you make, but most operators treat them like an afterthought. You're probably ordering based on what feels right rather than what your numbers actually tell you. Connect your recipe costs to sales forecasts and you'll order exactly what you need – nothing more, nothing less.
From recipe cost to inventory planning
Each recipe cost breaks down precisely how much of every ingredient goes into one dish. Multiply that by your projected sales and you've got your ordering roadmap.
💡 Example:
Your pasta carbonara costs this per serving:
- Pasta: €0.80
- Bacon: €1.20
- Eggs: €0.60
- Parmesan: €1.40
Planning to sell 50 portions this week?
You'll need: 50 × €0.80 = €40 worth of pasta
Calculate your weekly ingredient needs
Don't calculate dish by dish – that's where mistakes happen. Add up ingredient requirements across your entire menu since most ingredients appear in multiple recipes.
💡 Example:
Cream appears in these three dishes:
- Pasta carbonara: 50 portions × 0.1L = 5L
- Risotto: 30 portions × 0.15L = 4.5L
- Tiramisu: 20 portions × 0.2L = 4L
Total cream required: 13.5L this week
Add a safety margin
Build in 10-20% extra for unexpected rushes and normal waste. Running out mid-service costs you way more than having slight overstock.
⚠️ Note:
Understocking hurts more than overstocking. Every sold-out dish means lost revenue and frustrated customers.
Check your current inventory
Most kitchen managers discover too late that they've been double-ordering ingredients they already had plenty of. Before placing any order, count what's actually on your shelves and subtract that from your calculated needs.
- Count existing inventory by ingredient
- Note expiration dates
- Calculate net ordering requirements
Plan by supplier
Organize your shopping list by vendor to streamline ordering and hit minimum delivery thresholds. This saves both time and shipping costs.
💡 Example breakdown:
- Greengrocer: onions, carrots, parsley
- Butcher: beef, bacon, chicken
- Wholesale: pasta, rice, basics
Monitor and adjust weekly
Track your projected versus actual sales every week. Use these variances to fine-tune next week's inventory planning.
How do you create an inventory plan based on recipe costs? (step by step)
Calculate your expected sales per dish
Look at previous weeks and estimate how many portions of each dish you'll sell. Take into account seasonality and events.
Multiply by your recipe quantities
For each ingredient: number of portions × quantity per portion = total need. Add up for all dishes that contain this ingredient.
Add safety margin and subtract current inventory
Add 15% to your calculation. Subtract what you already have. The result is your shopping list for this week.
✨ Pro tip
Focus your detailed planning on your top 12 most expensive ingredients over a 4-week period – these typically represent 75% of your food costs. You can afford to be less precise with cheaper items without major financial impact.
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
How much safety margin should I maintain?
Perishables need 10-15% buffer, non-perishables can handle 15-20%. During unpredictable periods like holidays or special events, bump that up to 25%.
What if my supplier runs out of a critical ingredient?
Always identify substitutes for your most important ingredients before you need them. Calculate the cost difference ahead of time so you can make quick decisions without scrambling.
Should I factor in seasonal demand changes?
Absolutely – some dishes sell 50% more in winter versus summer. Pull last year's sales data as your baseline for seasonal adjustments. Your planning will be far more accurate than guessing.
📚 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.
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