A signature dish that loses money can still be profitable if it generates extra revenue on other dishes and drinks. This is called the halo effect: guests come for your signature dish, but also order other things. You calculate this by comparing the total extra revenue per guest against the loss on the dish.
What is the halo effect of a signature dish?
A signature dish is your calling card. It attracts guests and builds your reputation. Sometimes such a dish isn't profitable on its own, but you make it back on other parts of the order.
💡 Example:
Your €45 dry-aged ribeye costs €18 in ingredients (40% food cost = loss). But guests who order this also take:
- Appetizer: €12 (30% food cost = €8.40 profit)
- Side dishes: €8 (25% food cost = €6 profit)
- Wine: €28 (20% pour cost = €22.40 profit)
- Dessert: €9 (28% food cost = €6.48 profit)
Total profit per guest: €43.28 - €3 ribeye loss = €40.28 profit
Calculate the real profitability
You need to measure three things to determine if a loss-making signature dish is justified:
- The loss per portion of your signature dish
- The average check value of guests who order this dish
- The average check value of guests who do NOT order this dish
The difference between these two check values is your halo effect. If that's larger than the loss on the dish, you're making money on it.
💡 Example calculation:
Signature dish loss: €3 per portion
- Average check WITH signature dish: €78
- Average check WITHOUT signature dish: €52
- Halo effect: €78 - €52 = €26 extra revenue
At 35% total margin: €26 × 0.35 = €9.10 extra profit
Net result: €9.10 profit - €3 loss = €6.10 profit per guest
Measure the number of returning guests
A signature dish doesn't just increase check values, it also brings back more repeat guests. This is harder to measure, but crucial for the calculation.
- New guests: How many people come specifically for this dish?
- Return visits: Do guests come back more often after trying your signature dish?
- Word of mouth: Do satisfied guests bring others?
⚠️ Note:
Measure this for at least 3 months. A signature dish needs time to become known and show its effect.
When is a loss-making dish not justified?
Not every loss-making dish deserves a spot on your menu. Stop if:
- The halo effect is too small: Less than €5 extra profit per guest
- It requires too much kitchen capacity: Complex preparation that slows down other dishes
- It's seasonal: Only profitable during certain periods
- Guests don't appreciate it: Low scores or few repeat orders
💡 Alternative:
Instead of removing the dish, you can also:
- Lower the cost price (different supplier, smaller portion)
- Raise the price (if guests appreciate it)
- Offer it as a weekly special (less often, more impact)
Use data to decide
Make your decision based on numbers, not gut feeling. Measure monthly:
- Number of portions sold of the signature dish
- Average check value for orders with this dish
- Average check value for orders without this dish
- Total profit per table (not per dish)
With a system like KitchenNmbrs you can see the food cost per dish directly and easily compare which dishes generate the most profit for your bottom line.
How do you calculate whether a loss-making signature dish is profitable?
Calculate the loss per portion
Work out how much you lose on your signature dish. Ingredient cost divided by selling price (excl. VAT) × 100. Anything above 35% food cost is usually loss-making.
Measure the average check value
Compare the average bill of guests who order your signature dish with guests who don't. The difference is your halo effect in euros.
Calculate the net profit per guest
Multiply the halo effect by your average profit margin (usually 35%). Subtract the loss on the signature dish from that. Positive = profitable.
✨ Pro tip
Make your signature dish a 'sharing dish' for 2-3 people. This increases the average check value per table and spreads the loss across more people.
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 long should I measure before removing a signature dish?
At least 3 months. A signature dish needs time to become known and show its effect on customer behavior.
What if my signature dish is popular but loses money?
First look at the total profit per guest. If guests who order this dish spend more on other things, it can still be profitable.
Can I raise the price of a signature dish without losing customers?
Often yes, if the dish is unique and appreciated. Test carefully with a €2-3 increase and measure whether sales drop.
How do I know if guests come specifically for my signature dish?
Ask at reservations or at the table. You can also look at online reviews - is the dish often mentioned as a reason to visit?
What is an acceptable loss on a signature dish?
Maximum €5 per portion, and only if the halo effect generates at least €15 extra profit per guest. Otherwise it becomes too risky.
📚 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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