Your chef claims the ribeye's flying off the grill, but is it actually profitable? Gut instinct works fine for small operations, but once you're pushing volume or fighting tight margins, you need hard data. Numbers don't lie - feelings do.
Why gut feeling isn't enough
Your sous-chef swears the salmon special's a winner. Your instincts say you're over-ordering produce. But without concrete numbers, you're basically gambling with your margins.
⚠️ Watch out:
Gut feeling can mislead you. A busy evening feels profitable, but if your food cost is too high, you still lose money.
The 3 pillars of evidence-based kitchen management
Moving from hunches to hard facts requires three core elements:
- Collect numbers: food cost, revenue, covers
- Recognize patterns: which dishes sell, when, why
- Make decisions: based on data, not feeling
From guessing to measuring
Pick your top 5 revenue drivers and calculate their actual costs. Then compare those figures against what you assumed they were costing you.
💡 Example:
Pasta carbonara - assumption vs. reality:
- Your assumption: "Cheap dish, high margin"
- Actual cost: €6.80 ingredients on €18.50 excl. VAT
- Food cost: 36.8% (way too high for pasta!)
Conclusion: Portion too large or price too low
Build a weekly control routine
Make data review non-negotiable. Every Monday, spend 30 minutes digging into these numbers:
- Analyze food costs on your biggest sellers
- Compare this week's revenue against last week
- Identify your slowest-moving dishes
- Document what stands out
💡 Example routine:
Monday 9:00 - 9:30:
- Open POS system: how many covers last week?
- Review purchasing data: total supplier orders?
- Calculate: does purchases-to-revenue ratio make sense?
- Log any red flags in your tracking system
From measuring to steering
Gathering data's just the starting line. Acting on those insights is where real profit happens. And this is one of the most common blind spots in kitchen management - operators collect numbers but never adjust their approach. If your food cost's bleeding you dry, you've got three levers to pull:
- Trim portions: use fewer ingredients per plate
- Bump prices: same costs, better revenue
- Source smarter: different supplier or substitute products
Your choice depends on market position and competitive landscape. Not on what feels right.
Digital tools vs. Excel
Excel works for basic tracking, but it gets unwieldy fast. Tools like KitchenNmbrs handle calculations automatically and maintain clean records without the spreadsheet headaches.
💡 Example time savings:
Manual cost calculations vs. automated:
- Excel: 15 minutes per dish
- App: 2 minutes per dish
- For 20 dishes: 4.5 hours vs. 40 minutes
Time saved: 3 hours 50 minutes per menu update
Bring your team along in data-driven thinking
You're sold on the numbers game, but your kitchen staff might resist the change. Show them why data matters for everyone:
- Higher profits = job security for the whole team
- Smarter pricing = happier customers
- Reduced waste = more sustainable operations
Start small. Have your sous-chef track one dish's food cost for a week. Build momentum gradually.
How do you go from feeling to numbers? (step by step)
Choose your 5 top sellers
Pick your 5 best-selling dishes. These are your most important profit makers. If these are solid, you've already solved 80% of your problem.
Calculate exact cost price
Add up all ingredients: main product, garnish, sauce, oil, butter. Don't forget anything. Use current purchasing prices from your supplier.
Check your food cost percentage
Divide ingredient costs by selling price excl. VAT, times 100. Above 35%? Then you're losing money. Below 25%? Maybe you can make the portion bigger.
Create a weekly routine
Schedule 30 minutes every week to check your numbers. Same day, same time. That way it becomes a habit and you avoid surprises.
Make decisions based on data
If a dish performs poorly, adjust it. Not because it 'feels' like you should, but because the numbers prove it.
✨ Pro tip
Track your #1 bestseller's food cost daily for exactly 7 days - you'll spot patterns in portion consistency and prep waste that weekly averages miss completely.
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
How do I know if my gut feeling matches the numbers?
Calculate the food cost of your 3 dishes that you think generate the most profit. If they're below 30%, your instincts are solid. Above 35%? Your gut's leading you astray.
What if the numbers show most of my dishes are unprofitable?
Don't panic - at least you know where the bleeding is happening. Target your 3 worst performers first: shrink portions, raise prices, or find cheaper ingredients. Fix the biggest problems before tackling smaller issues.
Should I track every single menu item or just focus on certain dishes?
Start with your top 8-10 revenue generators - they usually represent 60-70% of your sales. Once you've optimized those, expand to cover your full menu over the next few months.
📚 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.
Related questions
Ready to get control of your food cost?
Thousands of hospitality professionals use KitchenNmbrs to protect their margins. No Excel, no paper — just one smart platform. Start your free trial today.
Start free trial →