A better dish description can increase sales of your most popular dish by 15-25%. Most restaurant owners underestimate how much words impact their bottom line. You can calculate exactly how much extra profit an improved description generates for your Star dish.
What is a Star dish in menu engineering?
A Star dish delivers both popularity and profit. It occupies the top right corner of your menu engineering matrix: high sales volume with solid margins. These dishes are your profit engines.
💡 Example Star dish:
Steak with truffle sauce - sold 120x per month
- Selling price: €32.00 (excl. VAT: €29.36)
- Ingredient costs: €8.50
- Food cost: 29% (excellent margin)
- Profit per portion: €20.86
Monthly profit: €2,503
The power of dish descriptions
Research proves that smart dish descriptions can boost sales by:
- 15-20% by adding sensory words ("sizzling", "tender")
- 10-15% by highlighting origin ("Scottish salmon")
- 5-10% by describing technique ("slow-roasted 8 hours")
These effects stack. A complete description overhaul can deliver 25-30% more sales.
Calculate the margin impact step by step
You'll need three numbers: current sales volume, projected increase percentage, and profit per portion.
💡 Calculation example:
Current steak performance:
- Sales: 120 portions/month
- Profit per portion: €20.86
- Total profit: €2,503/month
After enhanced description (+20%):
- New sales: 144 portions/month
- Extra sales: 24 portions
- Extra profit: 24 × €20.86 = €501/month
Annual margin impact: €6,012
⚠️ Note:
Calculate using profit per portion, not revenue. Higher sales means higher ingredient costs too.
Formula for margin impact calculation
The core formula is:
Additional margin = (Current sales × Expected increase %) × Profit per portion
For yearly impact, multiply by 12 months.
💡 Practical example:
Pasta carbonara (Star dish):
- Current sales: 80 portions/month
- Selling price: €16.50 (excl. VAT: €15.14)
- Ingredient costs: €4.20
- Profit per portion: €10.94
Expected increase: 18% (strong description)
Extra sales: 80 × 0.18 = 14.4 portions (rounded 14)
Extra margin: 14 × €10.94 = €153/month = €1,836/year
Factors that influence the impact
Not every dish responds equally to better descriptions. I've seen restaurants make a mistake that costs them EUR 200-400 per month by treating all dishes the same:
- Premium dishes (+20-30%): diners want quality reassurance
- Familiar dishes (+10-15%): margherita pizza needs minimal explanation
- Seasonal specialties (+25-35%): fresh asparagus, game, shellfish
- House-made items (+15-25%): handmade pasta, signature sauces
ROI of menu updates
New menu printing costs: €200-500. With a Star dish generating €500+ extra margin monthly, you'll recover costs within 30 days.
⚠️ Note:
Start with one dish. Track 4 weeks before and after implementation. Not every improvement works for every restaurant.
Tracking and measurement
To measure actual impact, gather this data:
- Per-dish sales data (4 weeks pre-change)
- Per-dish sales data (4 weeks post-change)
- Precise cost price per dish
- External variables (weather, events, seasonality)
Systems like a food cost calculator help you monitor sales figures and profit margins per dish, enabling precise measurement of menu change impacts.
How do you calculate the margin impact? (step by step)
Determine your Star dish and current figures
Choose your most popular profitable dish. Note: current sales per month, selling price excl. VAT, and ingredient costs per portion. Calculate your profit per portion by subtracting ingredient costs from selling price excl. VAT.
Estimate the expected sales increase
Use 15-25% as a starting point for a good description. Premium dishes can increase up to 30%, well-known dishes around 10-15%. Be realistic: test first with a conservative estimate of 15%.
Calculate the extra margin
Multiply current sales by expected increase percentage for extra portions. Multiply extra portions by profit per portion for monthly margin impact. For annual impact: multiply by 12.
✨ Pro tip
Track your top Star dish's sales for exactly 28 days, then implement the improved description and measure another 28 days. A 15% increase on your highest-volume Star typically delivers more profit than optimizing three smaller dishes combined.
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 do I know if my Star dish is really popular and profitable?
Check your sales data from the past 3 months and calculate food cost percentage. Popular means top 5 best-selling dishes. Profitable means food cost below 35%. Both boxes checked? You've got a Star.
Can I also make this calculation for Plowhorses (popular but not profitable)?
Yes, but first determine if you can reduce ingredient costs or increase prices. Better descriptions often justify price increases, potentially transforming a Plowhorse into a Star.
How long does it take to see the impact of a new description?
Typically 2-3 weeks. So track 4 weeks before and 4 weeks after the change. Seasonal factors can distort results, so compare with the same period from last year too.
What if sales actually drop after a new description?
Revert to the original text and analyze what failed. The new description might've been too lengthy, complex, or mismatched to your clientele. Always test one dish first.
Should I include VAT in my margin calculation?
No, always calculate excluding VAT. You'll remit the VAT regardless, so it doesn't contribute to profit. Use selling price excl. VAT minus ingredient costs for true margin per portion.
What's the minimum sales volume needed to make description changes worthwhile?
If a dish sells fewer than 20 portions monthly, focus elsewhere first. The absolute profit increase will be small even with percentage gains. Target dishes selling 50+ portions monthly for meaningful impact.
📚 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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