Swapping out a Dog for a fresh dish represents one of the smartest menu engineering decisions you can make. Dogs drain both popularity and profit from your menu - they're essentially dead weight taking up valuable real estate.
What makes a dish a Dog?
Menu engineering breaks down dishes across two critical dimensions: how often they sell and how much money they make. Dogs fail spectacularly on both fronts. They sit there gathering dust while bleeding your margins dry.
💡 Example of a Dog:
Grilled sea bream on your menu for €26.50:
- Sales: 8 portions per month (out of 400 total covers = 2%)
- Ingredient costs: €11.20
- Food cost: 46% (way too high)
This dish costs you money and menu space.
Calculate the minimum margin for your new dish
Your replacement needs to hit break-even at minimum. That translates to a food cost ceiling of 35% - but you should really be targeting something much tighter.
⚠️ Note:
Always calculate with the selling price excluding VAT. The price on your menu is including 9% VAT.
The formula for food cost percentage:
Food cost % = (Ingredient costs / Selling price excl. VAT) × 100
Aim for Star potential
Stars dominate your menu - they're popular AND profitable. Here's what your replacement should deliver:
- Food cost between 25-32% (significantly below average)
- Ingredients that actually excite your customers
- Price-quality ratio that feels fair
💡 Example calculation for new dish:
Pasta carbonara as replacement for the sea bream:
- Menu price: €18.50 incl. VAT
- Selling price excl. VAT: €18.50 / 1.09 = €16.97
- Ingredient costs: €5.10
- Food cost: (€5.10 / €16.97) × 100 = 30.1%
This is a healthy margin with Star potential.
Test the popularity forecast
Perfect margins mean nothing if the dish sits there unsold. This is the kind of thing you only learn after closing your first month at a loss - popularity trumps everything. Examine:
- Similar dishes currently performing well on your menu
- What's actually moving in your restaurant right now
- Seasonal availability and cost fluctuations
Monitor after introduction
Give your new dish 4-6 weeks to prove itself. Then run the numbers again - both popularity metrics and actual food costs versus your projections.
💡 Evaluation after 6 weeks:
Say your pasta carbonara sells 45 portions per month:
- Popularity: 45/400 = 11.3% (above average of 10%)
- Food cost: still 30.1%
- Status: Star! Popular and profitable
Successful replacement of your Dog.
How do you calculate the margin for a Dog replacement?
Analyze why your Dog is failing
Check the current food cost and popularity of your Dog. Food cost above 35% and sales below 5% of total covers means losses on both fronts.
Determine the cost price of your new dish
Add up all ingredient costs including garnishes and sauces. Make sure your total cost price is maximum 32% of your target selling price excluding VAT.
Calculate the minimum selling price
Divide your ingredient costs by 0.32 for a food cost of 32%. Multiply by 1.09 for the price including 9% VAT on your menu.
Forecast the popularity
Compare with similar dishes on your menu. Aim for at least 8-10% of your total covers to come in above average.
Monitor and adjust after 6 weeks
Measure actual sales and check whether your food cost matches. If sales are below 5% or food cost is above 35%, you need to adjust or replace again.
✨ Pro tip
Calculate margins for your top 3 current performers over the past 8 weeks - use their food cost percentages as your baseline target. This gives you proven benchmarks rather than guessing what works.
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
What if my new dish also becomes a Dog?
Diagnose the problem fast - wrong pricing, flavor profile, or menu placement. Don't let it linger more than 8 weeks before making another swap.
Should I factor in prep time costs when calculating margins?
Absolutely. A dish with 30% food cost but requiring 45 minutes of prep isn't the same as one needing 10 minutes. Labor costs can kill an otherwise profitable dish.
Can I test a new dish before fully replacing my Dog?
Run it as a special for 2-3 weeks first. Track orders and get direct customer feedback before committing menu space.
📚 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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