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📝 Why things go wrong · ⏱️ 3 min read

What happens when you only look at percentages and never at euros per dish?

📝 KitchenNmbrs · updated 16 Mar 2026

Most restaurant owners obsess over hitting that magic 30% food cost percentage, but they're ignoring the actual money in their pocket. You might celebrate a 28% food cost while unknowingly pushing your least profitable dishes. The real question isn't what percentage you're hitting—it's how many euros each plate puts toward your rent, staff, and profit.

The percentage trap

Your 28% food cost looks fantastic on paper. But check out these two dishes from your menu:

💡 Example:

Dish A: Pasta carbonara

  • Selling price: €16.50 (€15.14 excl. VAT)
  • Ingredient costs: €4.24
  • Food cost: 28%
  • Profit per plate: €10.90

Dish B: Steak with truffle sauce

  • Selling price: €42.00 (€38.53 excl. VAT)
  • Ingredient costs: €13.48
  • Food cost: 35%
  • Profit per plate: €25.05

That "terrible" 35% food cost just earned you €14.15 more per plate. Which dish would you rather see flying out of your kitchen?

Euros pay your bills, not percentages

Your landlord doesn't accept percentage points as rent payment. A dish with pristine 25% food cost earning €8 profit can't compete with a 40% food cost dish bringing in €15 profit.

⚠️ Watch out:

Chasing perfect percentages often means promoting your most mediocre dishes while hiding your biggest money-makers.

The costly mistake of percentage obsession

Focusing solely on percentages creates a dangerous cycle where you accidentally sabotage your own profits:

  • Shrinking checks: You steer customers toward cheaper options
  • Frustrated servers: Lower bills mean smaller tips and unhappy staff
  • Wasted energy: You perfect dishes that barely move your bottom line
  • Hidden goldmines: High-margin dishes get neglected and forgotten

💡 Example:

Restaurant serving 100 covers daily:

  • Scenario A: Average profit €12 per plate = €1,200/day
  • Scenario B: Average profit €16 per plate = €1,600/day

Difference: €400 per day = €146,000 per year

Critical blind spots percentages create

1. Your real profit champions stay hidden

That 32% food cost dish might outperform your 25% "winner" by €5 per plate. Without euro tracking, you'll never spot the difference.

2. Price changes become guesswork

Bump a dish up €2 and watch that percentage drop beautifully. But how many customers did you lose? Only euro profits reveal the true impact.

3. Seasonal shifts fool you

Summer brings cheaper tomatoes and better percentages. But if you're getting generous with portions, your actual profit per plate might be shrinking.

⚠️ Watch out:

From tracking this across dozens of restaurants, improving food cost percentages often signals smaller portions or cheaper ingredients—changes customers notice immediately.

Finding the sweet spot between percentages and euros

You can't ignore either number completely. Food cost percentages keep you honest about ingredient spending, while euro profits show you what's actually worth selling.

💡 Example of smart balance:

Your menu engineering breakdown:

  • Stars: Low food cost (25-30%) + high profit (€15+)
  • Workhorses: Moderate food cost (30-35%) + high profit (€12+)
  • Puzzles: Low food cost (25-30%) + disappointing profit (€8-12)
  • Dogs: High food cost (35%+) + low profit (under €8)

How percentage tunnel vision ruins daily operations

Percentage-only thinking leads to backwards decision making:

  • Menu design: You highlight your "best" percentages while burying actual profit makers
  • Server training: Your team learns to push the wrong dishes
  • Ingredient sourcing: You chase cheap ingredients while expensive ones deliver better margins
  • Pricing strategy: You avoid necessary price increases to protect meaningless percentages

Tools like KitchenNmbrs display both metrics together: food cost percentage alongside euro profit per dish. This dual view transforms your decision-making from guesswork into profit-driven strategy.

How do you calculate profit per dish in euros?

1

Calculate your selling price excluding VAT

Divide your menu price by 1.09 (at 9% VAT). A dish of €32.00 becomes €29.36 excl. VAT. This is your actual selling price.

2

Add up all ingredient costs

Include all ingredients: main product, garnish, sauces, oil, butter, everything that goes on the plate. Don't forget herbs and spices.

3

Subtract ingredient costs from selling price

Selling price excl. VAT minus ingredient costs = gross profit per dish. This is what's left for staff, rent, and your own profit.

✨ Pro tip

Track euro profit per dish for your 15 bestsellers over the next 30 days—ignore percentages completely during this period. You'll discover which dishes actually deserve prime menu real estate and which are just percentage darlings stealing space from your money-makers.

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

Is 30% food cost always a good target?

Not necessarily—it depends entirely on your selling price. 30% on a €15 dish leaves €10.50 profit, while 30% on a €45 dish gives you €31.50 profit. Context matters more than the percentage itself.

Should I focus more on percentages or euro profits?

You need both, but for different reasons. Percentages help control ingredient costs and spot waste, while euro profits determine what's actually worth selling. Your bills get paid in euros, not percentages.

Can I accept food costs above 35% if the profit is strong?

Absolutely, if the math works. A dish with 40% food cost earning €20 profit beats a 25% food cost dish earning €6 profit every single time.

How often should I review both percentages and euro profits?

Check your top 10 selling dishes weekly for both metrics. Supplier prices change constantly, and seasonal ingredients can shift your numbers without warning.

What if my highest-profit dishes aren't selling well?

Investigate the root cause—price point, flavor profile, or presentation issues. Sometimes better menu placement or training servers to recommend them makes all the difference.

How do portion sizes affect the percentage vs. euro equation?

Larger portions improve your food cost percentage but can destroy euro profits. A bigger portion might look generous, but if it costs you €3 extra in ingredients, you need higher prices to maintain profitability.

Should I remove dishes with high food cost percentages?

Not automatically. First calculate the euro profit and consider popularity. A 38% food cost dish that's your signature item and earns €18 profit deserves a permanent menu spot.

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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