Seasonal dishes can transform from profit makers into loss leaders once ingredients spike in price or demand plummets. Many restaurant owners keep dishes on menus too long and unknowingly hemorrhage money. Learn exactly when to stop serving seasonal dishes to prevent waste.
Why timing matters for seasonal offerings
An asparagus dish that costs €8.50 to make in April can jump to €14.20 in June. Your menu price stays the same. The difference? Food cost rockets from 28% to 47%. And that's while customers lose interest in asparagus during summer months.
⚠️ Note:
Many entrepreneurs only track popularity. But a dish that's still being ordered can meanwhile be running at a loss due to rising ingredient costs.
Three signals that you should stop
There are three moments you should evaluate a seasonal dish:
- Food cost climbs above 35% - You're earning too little per plate
- Sales drop below 10 portions per week - Ingredients spoil before you use them
- Supplier warns of price increases - They often know before you do what's coming
💡 Example:
Your asparagus dish in week 20 (May):
- Asparagus: €12/kg (was €6/kg in April)
- Other ingredients: €3.50
- Total per portion: €8.50
- Menu price: €24.50 excl. VAT
Food cost: (€8.50 / €24.50) × 100 = 34.7%
Calculate the break-even point of your dish
For each seasonal dish you can calculate in advance at what purchase price you should stop. This prevents surprises halfway through the season - the kind of thing you only learn after closing your first month at a loss.
Break-even formula:
Maximum ingredient costs = Menu price excl. VAT × 0.35
💡 Example calculation:
Asparagus dish for €29.50 incl. VAT:
- Menu price excl. VAT: €29.50 / 1.09 = €27.06
- Max ingredient costs at 35% food cost: €27.06 × 0.35 = €9.47
- Other ingredients cost €3.50
- Max for main ingredient: €9.47 - €3.50 = €5.97
Stop as soon as your main ingredient costs more than €5.97 per portion.
The hidden costs of selling too long
The problem isn't just the higher purchase price. There are more costs you often overlook:
- More spoilage - Expensive ingredients you don't sell
- Lower quality - Customers notice the season is over
- Negative reviews - "Asparagus was tough and expensive"
- Loss of trust - Guests doubt your seasonal sense
Alternative strategies
Instead of stopping abruptly, you can also:
- Raise the price - If the dish remains popular
- Make it a special - Limited availability, higher price
- Replace with a variant - Same preparation method, different main ingredient
- Save for next season - Note when you should start and stop
💡 Example price increase:
Your asparagus dish becomes more expensive, but remains popular:
- Old price: €29.50
- New ingredient costs: €10.50
- Desired food cost: 32%
- New price excl. VAT: €10.50 / 0.32 = €32.81
- New menu price: €32.81 × 1.09 = €35.76
Price increase of €6.26 to maintain the same margin.
Track your seasonal dishes with a system
Most entrepreneurs estimate this, but it often goes wrong. A food cost calculator like KitchenNmbrs helps you to:
- Update ingredient prices per supplier
- Automatically calculate your food cost
- Set alarms at certain food cost percentages
- Keep history of previous seasons
That way you know exactly when to stop, without manually calculating every week.
How do you determine the right time to stop? (step by step)
Calculate your current food cost per dish
Add up all ingredient costs and divide by your menu price excl. VAT. Multiply by 100 for the percentage. Check this weekly during the season.
Set your break-even point
Determine at what food cost you want to stop (usually 35%). Calculate what maximum ingredient costs this means. Note this amount and check it with every purchase.
Monitor sales figures and quality
Keep track of how many portions you sell per week. If this drops below 10 and your food cost rises, it's time to stop. Also pay attention to customer feedback about quality.
✨ Pro tip
Track your seasonal dishes for exactly 14 days once food costs hit 33% - if they don't drop back down, remove the dish immediately. This two-week buffer prevents knee-jerk reactions to temporary price spikes.
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 dish is still popular but the food cost becomes too high?
Then you can raise the price or offer the dish as a 'special' with limited availability. Explain to guests that it's about seasonal quality and premium ingredients.
How often should I check my ingredient prices during the season?
At least weekly, especially for fresh products like vegetables and fish. Suppliers can adjust prices quickly based on availability. Some volatile ingredients need daily monitoring.
Can't I just estimate when I should stop?
Estimating often goes wrong because you don't notice the gradual increase. A dish can run at a loss for months before you realize it.
What do I do with ingredients I still have left?
Use them in staff meals, make a daily special at cost price, or process them into another dish. Throwing away is always more expensive than creative repurposing.
Should I warn customers before removing a seasonal dish?
Yes, give a week's notice with "last chance" messaging. This often creates urgency and helps you sell remaining portions while building anticipation for next season.
How do I handle suppliers who deliver inconsistent quality at season's end?
Set quality standards upfront and don't accept subpar ingredients just because they're cheaper. Poor quality damages your reputation more than removing the dish early would.
When should I start planning for next season?
Start 2 months before the season begins. Contact suppliers for price indications and plan your menu adjustments based on what you learned this year.
📚 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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