Setting standard portions for seasonal dishes is like tuning a piano before a concert - skip this step and everything sounds off. Many kitchens serve different amounts each season, turning your food cost into a guessing game. Here's how to nail down those portions and keep your profits predictable.
Why seasonal dishes often end up with expensive portions
Asparagus season hits, and suddenly your chef's serving bigger portions because the product feels 'special'. Wild mushrooms get extra garnish. The result? Your food cost jumps without warning.
⚠️ Watch out:
A seasonal dish running 4 months with inconsistent portions can drain thousands from your bottom line. Serve 50 portions weekly with just 20 extra grams of the main ingredient, and you're looking at €1,200 lost per season.
The basics: calculate your ideal portion size
Every seasonal dish needs predetermined portions based on your target food cost, not gut feeling. This mistake costs the average restaurant EUR 200-400 per month during peak seasonal periods.
💡 Example: Asparagus Risotto
Menu price: €24.00 incl. 9% VAT (€22.02 excl. VAT)
Target food cost: 30%
Maximum ingredient costs: €22.02 × 0.30 = €6.61
- Asparagus (€18/kg): 200g = €3.60
- Risotto rice: €0.80
- Broth, wine, cheese: €1.50
- Oil, herbs: €0.40
Total: €6.30 (28.6% food cost - spot on!)
Lock it into your system
Calculate your ideal portion, then cement it in your recipe system. Don't just record quantities - document your reasoning too.
- Main ingredient: Exact grams per portion
- Side products: All garnish and sauces
- Cooking loss: Waste from peeling/trimming
- Cost per portion: Complete ingredient tally
Communication to the kitchen
Your team must understand that seasonal doesn't mean generous. These dishes cost more per kilo, so portion discipline becomes even more critical.
💡 Practical tip:
Deploy portioning spoons or scales in your kitchen. For pricey seasonal ingredients like truffle or fresh morels, a €25 digital scale pays for itself within a week.
Seasonal check: review weekly
Seasonal products swing wildly in price. Week 1 might see €15/kg, while week 6 hits €25/kg. That's why weekly food cost recalculations aren't optional.
- Week 1-2: Usually pricey (early season)
- Week 3-8: Typically cheapest (peak season)
- Week 9-12: Expensive again (season's end)
⚠️ Watch out:
Food cost above 35%? You've got three choices: trim the portion, bump the menu price, or temporarily axe the dish. Running at a loss isn't a strategy.
Digital storage vs. paper
Paper seasonal recipes vanish or hide until next year. Digital systems preserve your seasonal recipes with complete food costs, letting you instantly compare against new purchase prices when the season returns.
💡 Example: Pumpkin soup reuse
Last year's pumpkin soup hit 28% food cost. This year pumpkin jumped 30% in price. Instead of guessing, you calculate directly: food cost now sits at 36.4%. Time to tweak portions or raise prices.
How do you set a standard portion? (step by step)
Calculate your maximum ingredient costs
Take your desired menu price excl. VAT and multiply by your desired food cost percentage. At €22 excl. VAT and 30% food cost, you can spend a maximum of €6.60 on ingredients.
Distribute costs across all ingredients
Add up all ingredients: main product, garnish, sauces, oil, herbs. Make sure the total stays under your maximum. The main ingredient should account for 60-70% of your total ingredient costs.
Test and document the portion
Make the dish according to your calculation and assess whether the portion looks large enough. Adjust if needed, but recalculate your food cost. Lock in the final recipe with exact grams per ingredient.
✨ Pro tip
Photograph your perfect seasonal portions within the first 48 hours of launch and post them at each station. Visual references work better than written specs during hectic service periods.
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 adjust my seasonal portion sizes?
Monitor purchasing prices weekly. If your food cost shifts more than 3 percentage points, consider adjusting portions or menu pricing. Seasonal products can swing 50% in price within a month.
What if my chef insists guests will complain about smaller portions?
Run a test with limited portions first. Often it's a non-issue since seasonal dishes focus on flavor over volume. Better to serve 5% less than lose 10% profit per plate.
Can I just raise menu prices instead of cutting portions?
Absolutely, but test your market's tolerance first. Seasonal dishes often carry higher price expectations, so 10-15% increases usually work. Above €30 for mains gets tricky in most establishments.
How do I stop cooks from over-portioning during busy service?
Use portioning spoons or weigh portions for the first few days. Explain that seasonal dishes often carry the highest margins, but only with correct portions. One extra gram of expensive ingredients can cost €0.50 per plate.
What's my move if seasonal ingredients suddenly spike in price?
Calculate new food costs immediately. Above 35%, you have three options: raise menu prices, reduce portions, or temporarily remove the dish. Serving at a loss isn't viable.
Should I adjust portions based on ingredient quality variations throughout the season?
Maintain consistent portions regardless of quality fluctuations. If early-season asparagus is thinner, you might serve more spears but keep the same weight. Quality variations are part of seasonal pricing, not portioning decisions.
📚 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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