Most restaurants think bigger portions solve complaint issues, but that's rarely true. Making portions larger when your food cost's already at 35% creates a financial death spiral. You can satisfy guests without destroying your margins.
First analyze your current situation
Before you change anything, figure out where you stand. Check your food cost percentage and track complaint frequency.
💡 Example:
Your steak costs €32.00 incl. VAT (€29.36 excl. VAT)
- Ingredient costs: €10.50
- Food cost: 35.8%
- Complaints: 2-3 per week
This is already pushing the high side for food cost.
Strategy 1: Upgrade side dishes (without increasing main portion)
Instead of more protein, make your sides more impressive and filling. This costs way less than your main ingredient.
- More vegetables on the plate (cheap, but fills guests up)
- Extra sauce or dip (low cost, high perceived value)
- Complimentary bread (costs €0.30, feels like premium service)
- Enhanced garnish (parsley, radish, cucumber)
💡 Example calculation:
Extra vegetables and sauce with steak:
- 50g extra vegetables: €0.40
- 20ml extra sauce: €0.25
- Complimentary bread: €0.30
Total: €0.95 extra cost, but the plate appears much more generous.
Strategy 2: Raise prices with better positioning
Sometimes the issue isn't portion size, but price-quality perception. You can increase your price if you position the dish better.
- Change menu description: "200g steak" → "Tender steak from Dutch grass-fed cattle"
- Add provenance: "Organic", "Local", "Dry-aged"
- Improve presentation: better plates, enhanced garnish
- Raise price by €2-3 and invest in superior ingredients
Strategy 3: Offer alternatives
Give guests who want larger portions the option to pay extra, without changing your standard serving.
💡 Example options:
- "Double portion +€8"
- "Extra protein +€6"
- "With additional vegetables +€3"
- "XXL version +€10"
This way you profit from guests wanting more, without compromising your base portion.
Strategy 4: Apply menu engineering
Maybe this dish isn't profitable enough and needs replacing with something that actually works. From tracking this across dozens of restaurants, dishes with 35%+ food costs and regular complaints rarely become profitable through minor tweaks.
- Check which dishes perform well without complaints
- Analyze the food cost of your entire menu
- Replace problematic dishes with better alternatives
- Test new dishes with superior margins
⚠️ Attention:
If your food cost exceeds 35% and you're getting portion complaints, you're in a losing spiral. Then you really need to change something about price or recipe.
Communication with the guest
How you respond to complaints determines whether guests return. Train your staff in proper responses.
- Listen to complaints without immediately getting defensive
- Offer solutions: "Shall I bring some extra vegetables?"
- Explain what makes the dish special
- Suggest alternatives for next time
Measure the result
After making adjustments you need to verify they're working. Keep track of:
- Number of complaints per week
- Food cost percentage after adjustments
- Average bill value
- Number of returning guests
With systems like food cost calculators you can automatically track these figures and see which approach works most effectively.
How do you solve portion complaints? (step by step)
Check your current food cost
Calculate exactly what the dish costs including all ingredients. If you're above 35%, the problem is bigger than just the portion.
Choose your strategy
Decide whether you expand side dishes, raise prices, offer alternatives, or replace the dish. Combinations can also work.
Test and measure the result
Implement your chosen strategy and track for 2-3 weeks how many complaints you get and what happens to your food cost. Adjust if it doesn't work.
✨ Pro tip
Track complaints by specific dish over 30 days - if the same 2-3 items keep appearing, focus your fixes there first. Don't waste time adjusting dishes that rarely generate complaints.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Was this article helpful?
Frequently asked questions
Can't I just make the portion bigger?
Only if your food cost is below 30%. Otherwise you lose money on every plate. Try expanding side dishes first.
How many complaints are normal?
Less than 1 in 50 guests. If you get more complaints, there's probably a structural problem with portion or price-quality ratio.
What if my competitor has larger portions?
Check if their prices are higher or their food cost is lower. Maybe they use cheaper ingredients. Focus on your value proposition instead.
How do I prevent guests from being disappointed?
Make sure your menu description matches what you serve. Use photos or indicate portion size if that helps set expectations.
Should I offer free extras to complaining guests?
Not automatically. Listening and explaining often works better than giving freebies. Extra vegetables are okay occasionally, but don't make it standard practice.
What's the maximum food cost percentage I should accept?
For most restaurants, 30-32% is optimal. Above 35% leaves little room for other costs and profit, especially if you're getting portion complaints.
How quickly should I respond to portion size complaints?
Address them immediately during the meal if possible. Train staff to offer solutions like extra vegetables or sauce within 2-3 minutes of the complaint.
📚 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.
Make better decisions with real numbers
Should you change your menu? Raise prices? Test a new concept? KitchenNmbrs simulates scenarios with your own data. Try it free for 14 days.
Start free trial →