A popular dish that generates little profit is a silent profit killer. You think everything's running smoothly because customers keep ordering it, yet your margins quietly vanish. Smart operators ask targeted questions to catch this profit drain before it becomes costly.
The 5 crucial questions about popular but unprofitable dishes
A dish that flies off the menu but barely contributes to your bottom line needs immediate attention. These targeted questions reveal the root cause:
- What's the true food cost? - Calculate every ingredient, including garnish and sauces
- When did I last bump the price? - Suppliers increase costs regularly
- Are my cooks being too generous with portions? - 20 grams of extra meat easily costs €2 per plate
- Did I factor in cutting loss properly? - Whole fish gets pricier after filleting
- Has my recipe drifted from the original? - Cooks sometimes modify dishes without telling you
💡 Example: Popular pasta carbonara
Menu price: €18.50 (incl. 9% VAT) = €16.97 excl. VAT
Ordered 80 times per week, but ingredients cost:
- Pasta: €0.45
- Bacon: €1.80
- Eggs: €0.60
- Parmesan: €1.20
- Cream, butter, herbs: €0.75
Total: €4.80 = 28.3% food cost
Looks solid, but verify your chef isn't sneaking in extra bacon...
Step 1: Calculate the real food cost
Ditch old calculations. Add up every ingredient that touches the plate:
- Main ingredients (meat, fish, vegetables)
- Side dishes and garnish
- Sauces and dressings
- Oil, butter, salt, pepper
- Decoration and microgreens
Use current purchase prices from this month, not last year's numbers.
⚠️ Watch out:
Most operators ignore the 'small' ingredients. But €0.30 in herbs and oil per plate becomes €1,560 yearly at 100 portions per week.
Step 2: Review your last price adjustment
Suppliers bump their prices 2-4 times annually. If you don't adjust your menu accordingly, your margin slowly bleeds out.
Ask yourself:
- When did I last raise this menu price?
- How much have supplier prices jumped since then?
- Have I passed along energy costs (gas, electricity)?
- Did staff costs increase?
💡 Example: Steak impact
Entrecote was €28/kg, now €34/kg (+21%)
Portion: 250 grams = was €7.00, now €8.50
Extra cost: €1.50 per steak
At 30 steaks per week = €2,340 yearly profit loss
Step 3: Monitor portion sizes
Your chef's swamped. Under pressure, cooks often dish out oversized portions. "Just to be safe" or "to keep customers happy."
Check these areas:
- Weigh 5 portions of this dish at different times
- Do they match your recipe specs?
- Does the chef use a scale or eyeball it?
- Are all cooks consistent with portion size?
20 grams of extra meat seems tiny, but at €30/kg that's €0.60 per plate. This mistake costs the average restaurant EUR 200-400 per month on popular dishes alone.
Step 4: Recalculate cutting loss
Cutting loss makes products pricier than the purchase price suggests. If you don't account for this correctly, your food cost won't balance.
💡 Example: Whole salmon vs fillet
Whole salmon: €18/kg
After filleting: 55% yield (45% cutting loss)
Actual fillet price: €18 ÷ 0.55 = €32.73/kg
If you calculate with €18/kg, you're losing €14.73 per kilo of fillet!
Step 5: Explore alternatives
Sometimes it's smarter to drop a popular but unprofitable dish from the menu. But you've got other options:
- Bump the price: Small increases of €1-2, guests rarely notice
- Tweak the portion: 20 grams less meat, but better sides
- Source cheaper ingredients: Different cut of meat or new supplier
- Separate side dishes: Make it a menu with an upcharge
⚠️ Watch out:
Never just yank a popular dish from the menu. Guests might visit specifically for it. Try improving the margin first through price or portion adjustments.
Track the numbers consistently
You don't run this analysis once and forget about it. Review your most popular dishes every quarter.
Many restaurant owners use tools like KitchenNmbrs to monitor food cost automatically. Then you spot immediately when a dish turns unprofitable, without manual calculations.
How do you analyze a popular but unprofitable dish?
Calculate the exact ingredient costs
Add up all ingredients that go on the plate, including garnish, sauces and 'small' ingredients like oil and herbs. Use current purchase prices from this month.
Check the food cost percentage
Divide ingredient costs by your selling price excl. VAT and multiply by 100. If you're above 35%, you're not earning enough on this dish.
Check portion sizes in the kitchen
Weigh 5 portions at different times and compare with your recipe. Cooks under pressure often give portions that are too generous, which undermines your profit.
Recalculate cutting loss
If you buy whole products and process them, the actual price per kilo becomes higher due to cutting loss. Divide your purchase price by the yield percentage.
Choose your strategy
Raise the price in small steps, adjust the portion, find cheaper ingredients or make it a menu item. Don't just remove the dish from the menu.
✨ Pro tip
Track your 3 highest-volume dishes weekly for portion consistency. If those portions stay on-spec, you've prevented 70% of profit leakage before it starts.
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 often should I analyze the food cost of popular dishes?
Every quarter minimum, or right after suppliers raise their prices. For your top sellers, monthly reviews make sense. Don't let profitable dishes quietly turn into profit drains.
What if customers bail after a price increase?
Raise in small €1-2 increments. Most guests accept this, especially if quality stays consistent. Better to have 10% fewer guests with profitable prices than a packed house with zero profit.
Can I shrink portions without guests catching on?
Yes, through smart presentation tricks. Cut 20 grams of meat, but add nicer garnish or an extra sauce. Focus on the overall experience, not just quantity.
How do I know if my chef's oversizing portions?
Spot-check portions randomly and compare with your recipe. If there's consistently more than 10% deviation, this habit costs you hundreds monthly on popular dishes alone.
What's an acceptable food cost percentage for crowd-pleasers?
For restaurants, aim for 28-35%. Popular dishes should hit the lower end of this range since they drive significant volume and overall profit contribution.
Should I factor cutting loss into every food cost calculation?
Absolutely. If you buy whole products, your real price per kilo exceeds the purchase price. Skip this step and your food cost calculations become meaningless. Always account for waste and trim.
How should I handle communicating price increases to guests?
Often, don't mention it at all. Small bumps of €1-2 typically go unnoticed. For larger increases, you can reference rising ingredient and energy costs if asked directly.
📚 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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