Studies show that 73% of restaurants fail within their first year, often due to poor margin control despite high customer volume. You've been there - busy night, packed dining room, but your bank account doesn't reflect the chaos. The disconnect usually stems from daily blind spots in margin management and purchasing decisions.
The 5 questions that save your profit
Most restaurant owners wait until month-end to examine their numbers. That's like checking your smoke detector after the fire. Taking just 5 minutes each evening to ask these critical questions stops profit from bleeding out unnoticed.
💡 Example:
Restaurant De Zon hits €3,200 on a packed Saturday with 120 covers. Sounds great, but:
- Previous Saturday: €3,600 with just 115 covers
- Tonight's average: €26.67 per guest
- Last week's average: €31.30 per guest
Result: more bodies, less money per person. What's happening?
Question 1: What was my average check?
Divide total revenue by covers served. This metric reveals more than gross sales ever will. Your average check drops during busy periods? You're pushing too many low-margin items or missing beverage opportunities.
Formula: Average check = Total revenue / Number of covers
⚠️ Watch out:
Declining average checks with higher volume typically signal underpriced popular items.
Question 2: Which dishes sold the best?
Document your evening's top 3 sellers. These dishes control your profitability. Strong performance from high-margin items means a solid night. But if only your cheapest options are moving, you're working harder for less money.
💡 Example:
Tonight's winners:
- Pasta carbonara (€16.50) - 25 orders
- Ribeye steak (€28.50) - 18 orders
- Goat cheese salad (€14.50) - 22 orders
That ribeye carries your highest margin but moved slowest. How can you push it harder?
Question 3: How much did I purchase today?
Match today's purchasing against revenue. Your daily food purchases shouldn't exceed 30-35% of sales. Buying significantly more than you're selling creates inventory that'll spoil before you can use it.
- €3,000 revenue, €900 purchases = 30% (solid)
- €3,000 revenue, €1,200 purchases = 40% (danger zone)
- €3,000 revenue, €600 purchases = 20% (maybe too conservative on fresh ingredients)
Question 4: What went to waste?
Tour your kitchen and identify what's headed for the trash. Wilted greens, expired proteins, untouched appetizers - that's pure profit walking out your back door. Track it religiously so you can spot patterns and adjust ordering.
One of the most common blind spots in kitchen management is underestimating how quickly small daily waste adds up to massive annual losses.
💡 Example:
Tonight's waste:
- 2 kg wilted lettuce: €6.00
- 500g expired ground beef: €8.50
- 6 unsold soups: €18.00
Daily loss: €32.50. Annual impact: €11,862.50
Question 5: Are my prices still current?
Audit your menu prices against current ingredient costs. Suppliers raise prices quietly and frequently, but menus often stay static for months. The gap means you're earning less per dish without realizing it's happening.
Grab your 3 bestsellers and recalculate their food costs:
Food cost % = (Ingredient costs / Selling price excl. VAT) × 100
⚠️ Watch out:
Always calculate using selling price excluding VAT. Restaurant VAT is 9%, so €32.00 incl. VAT = €29.36 excl. VAT.
How long does this take?
Running through these 5 questions requires 10 minutes max after each service. Seems minimal, but it prevents hundreds of euros in monthly leaks you'd never catch otherwise.
Smart operators use automated tracking systems to get instant visibility into where their profit's really going.
How do you set up daily control? (step by step)
Create a daily control moment
Schedule 10 minutes every evening after closing for your numbers check. Make this as routine as cleaning your kitchen. Without numbers you're flying blind.
Write down the 5 answers in a notebook
Write down every evening: average check, top 3 dishes, total purchasing, waste in euros, and food cost of your top performer. This way you'll start seeing patterns.
Compare with the same day last week
Don't look at yesterday, but at the same day last week. Mondays are different from Saturdays. This comparison gives you real insights into trends.
✨ Pro tip
After every busy service, ask yourself: 'Did my three highest-margin dishes perform as expected tonight?' If not, you've got 48 hours to adjust specials, train servers, or tweak presentations before the weekend rush hits again.
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 time does this daily control take?
Maximum 10 minutes per evening. The first few weeks take longer while you're building the habit, but it becomes second nature quickly.
What if my food cost exceeds 35%?
You're likely losing money on that item. Verify your prices match current ingredient costs, or check if portion sizes have crept up without menu adjustments.
Should I do this on quiet days too?
Absolutely. Slow nights reveal different patterns than busy ones. You need both perspectives for complete profit visibility.
How do I prevent myself from forgetting this?
Tie it to your existing closing routine, like balancing the register. Make it part of your standard end-of-shift checklist.
📚 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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