Spreadsheets are popular for tracking food cost, but vanish into thin air as soon as things get hectic. Not because they're bad, but because they don't fit the reality of a busy kitchen. Here's why Excel and Google Sheets fail during the moments that matter most.
The reality of a busy kitchen
It's Saturday 7:30 PM. Packed house. Your chef has his hands full at the grill, the sous chef is swamped with sauces, and you're running between the kitchen and the dining room. Then you think: "I still need to enter that new supplier price in Excel."
Yeah, that's not happening.
💡 Real-world example:
Monday morning, 9:00 AM. You want to update your food cost:
- Start Excel: 2 minutes
- Find the right file: 3 minutes
- Look up new prices in emails: 10 minutes
- Enter and recalculate: 15 minutes
Total: 30 minutes for one update
And that's while your supplier is calling, the health inspector is at the door, and your chef is asking if he should order more steak.
Why spreadsheets don't work in hospitality
Too many steps for one simple question
You want to know: "What does this dish actually cost now?" In Excel, that means:
- Turn on the computer
- Start Excel
- Open the right file
- Find the right sheet
- Search for the right row
- Check the formula
- Read the answer
In a busy kitchen, you don't have time for seven steps. You need one click and done.
Nobody else can access it
Your Excel file is on your computer. Your chef can't quickly check what the sea bass costs. Your sous chef can't see if you're still within budget. Only you have access.
⚠️ Watch out:
If you're not there, nobody can check the costs. That means your team works blind with portion sizes and ingredients.
Updates are a nightmare
Your supplier raises the price of beef by 12%. In Excel, that means:
- Find all dishes with beef
- Manually enter the new price
- Check if the formulas still work
- Recalculate to new food cost
- Check which dishes are now too expensive
You do that once. Maybe twice. By the third price increase, you give up.
The moment things go wrong
💡 Familiar scenario:
Week 1: You create a nice spreadsheet with all your recipes
Week 3: Your first supplier raises prices, you update it
Week 6: Second supplier raises prices, you don't have time
Week 10: Third supplier raises prices, Excel isn't even open
Result: Your spreadsheet no longer matches reality
And then? Then you go back to working on gut feeling. "This dish feels more expensive than before." "I think we're still doing okay." "The competitor charges €2 less, so we will too."
The mobile reality
You're not always at your computer. You're walking through the kitchen, at the supplier, in the car to the wholesaler. Opening Excel on your phone to quickly check a cost price? Forget about it.
Modern kitchens need mobile solutions. Systems you can access anywhere, that automatically recalculate, and that your team can use without your help.
The real cost of Excel fatigue
If you stop updating, you work with outdated numbers. That costs money. From years of working in professional kitchens, I've seen restaurants lose thousands because they trusted old spreadsheet data instead of current market prices.
💡 Calculation example:
Your Excel says: steak costs €18/kg (food cost 30%)
Reality: steak now costs €22/kg (food cost 37%)
Difference: 7 percentage points on €30,000 annual steak sales
Loss: €2,100 per year on one dish
Multiply that by all the dishes where you haven't updated prices, and you're talking about thousands of euros per year.
What actually works?
Systems that fit the reality of a kitchen:
- Mobile: Accessible everywhere, even during busy service
- Automatic: Enter a price change = all dishes are automatically recalculated
- Accessible: Your whole team can use it, not just you
- Fast: Check a cost price in 5 seconds, not 5 minutes
Tools like KitchenNmbrs are designed for this reality. Update one ingredient price, and all dishes are automatically recalculated. Check a cost price on your phone while you're at the supplier.
⚠️ Watch out:
The problem isn't that spreadsheets are bad. The problem is that they don't fit how a kitchen works. You need a tool that fits into your daily routine.
How do you go from spreadsheet to a working system?
Export your current data
Make sure your current recipes and prices don't get lost. Export your Excel file to CSV or copy the important dishes to a new system.
Choose a mobile system
Find an app that works on your phone and tablet. Test if you can quickly check cost prices and adjust ingredient prices, even when you're not at your computer.
Start with your bestsellers
Enter your 10 best-selling dishes first. If those are right on cost, you've already solved 80% of your problem. You can add the rest later.
✨ Pro tip
Start with just 3 high-volume dishes and track them for 2 weeks. You'll quickly see which system actually gets used during the dinner rush versus which one sits forgotten on your computer.
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 transfer my Excel data to an app?
Yes, most hospitality apps can import CSV files. You don't have to retype everything. Just check that your ingredient prices are still correct after the import.
What if I'm used to Excel and want to keep using it?
Then you need discipline to keep it updated. Block time in your calendar each week to update prices. But be honest: are you doing that consistently now?
Aren't hospitality apps much more expensive than Excel?
Excel seems free, but the time you spend manually updating also costs money. Plus the mistakes you make with outdated numbers. Most apps cost €25-50 per month.
Can my team access an app, or is it just for me?
Good hospitality apps have multiple users. Your chef can check cost prices, your sous chef can look up recipes. That saves you time and questions.
📚 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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