A seasonal menu can significantly affect your profitability. Picture this: your asparagus dish costs €8 per portion in May but jumps to €28 in December. Add shifting guest expectations, and you've got a financial puzzle that demands careful calculation.
Why seasonal menus are financially different
A seasonal menu isn't just another menu card. Ingredient costs fluctuate wildly by season. Asparagus costs €8/kg in May, €28/kg in December. Pumpkin in October: €2/kg, in June: €12/kg.
But there's more. Guests have different expectations too. They'll happily pay more for a warm, hearty stew in winter than for a light salad in summer.
💡 Example seasonal difference:
Pumpkin soup in October vs. December:
- October: pumpkin €2/kg, total ingredients €3.20
- December: pumpkin €12/kg, total ingredients €8.50
- Selling price: €12.50 (€11.47 excl. VAT)
October food cost: 27.9% | December food cost: 74.1%
The three pillars of seasonal margin calculation
To calculate the impact of a seasonal menu, you examine three elements:
- Ingredient costs per season: What do products cost now vs. in 3 months?
- Popularity per dish: Which dishes do you sell frequently this season?
- Guest price willingness: How much are guests willing to pay for seasonal dishes?
Seasonal ingredients and cost fluctuations
Dutch seasonal ingredients follow predictable cost patterns:
💡 Example: Spring asparagus menu
Asparagus menu May vs. March:
- March: asparagus €18/kg (imported)
- May: asparagus €8/kg (Dutch season)
- Portion: 250g asparagus per plate
Cost savings per portion: €2.50
At 200 portions per season: €500 extra margin
Common seasonal patterns:
- Spring: Asparagus, radish, lamb's lettuce cheaper
- Summer: Tomatoes, zucchini, fresh herbs 50-70% cheaper
- Fall: Pumpkin, mushrooms, game in season
- Winter: Brussels sprouts, leeks, stews more popular (higher prices possible)
Calculation: seasonal menu vs. standard menu
The formula for seasonal margin impact:
Impact = (Old food cost% - New food cost%) × Expected seasonal menu revenue
💡 Example: Fall menu calculation
Bistro with fall menu (September-November):
- Standard menu food cost: 32%
- Fall menu food cost: 28% (seasonal ingredients)
- Expected fall menu revenue: €45,000
Extra margin: (32% - 28%) × €45,000 = €1,800
⚠️ Note:
Always calculate with selling price excluding VAT. At €25.00 incl. 9% VAT = €22.94 excl. VAT for your calculation.
Menu engineering for seasonal menus
Not every seasonal dish delivers the same impact. Focus on the combination of popularity and profitability - a pattern we see repeatedly in restaurant financials:
- Seasonal stars: Popular and profitable (e.g., pumpkin soup in October)
- Seasonal puzzles: Profitable but not popular (e.g., chicory in winter)
- Seasonal dogs: Not popular and not profitable (remove!)
Promote seasonal stars prominently on your menu. Seasonal puzzles? You can make them more attractive by combining them with popular ingredients.
Pricing strategy for seasonal dishes
Guests often accept higher prices for authentic seasonal dishes. Especially if you emphasize the seasonal connection:
💡 Example: Winter pricing
Same ingredients, different presentation:
- "Salad with beets": €14.50
- "Winter beet salad with walnuts": €16.50
- Ingredient costs identical: €4.20
Food cost difference: 29.0% vs. 25.1%
Timing and preparation
Plan your seasonal menu 6-8 weeks ahead. This allows you to:
- Compare prices from different suppliers
- Test recipes and calculate costs
- Train your staff on new dishes
- Prepare marketing (social media, menu cards)
Test new dishes first as a daily special. This way you see the actual popularity before you overhaul your entire menu.
How do you calculate the margin impact of your seasonal menu?
Inventory your current menu figures
Note from your 8 best-selling dishes: ingredient costs, selling price, and food cost percentage. This becomes your comparison baseline for the new seasonal menu.
Calculate cost prices for seasonal ingredients
Check with your supplier the prices of seasonal ingredients for the coming 3 months. Calculate the new cost price per dish with these ingredients.
Determine your new food cost percentages
Calculate: (new ingredient costs / selling price excl. VAT) × 100. Compare this with your current food cost to see the impact per dish.
Estimate expected sales volumes
Look at last year or similar dishes: how many portions do you expect to sell of each new dish? Multiply this by your margin per portion.
Calculate total seasonal margin impact
Add up all individual dish impacts. This gives you the total extra or reduced margin your seasonal menu generates compared to your standard menu.
✨ Pro tip
Track your seasonal menu performance for exactly 14 days after launch to spot the real winners. Dishes that don't hit 15% of total sales by day 14 rarely recover and should be replaced immediately.
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 far in advance should I plan my seasonal menu?
Plan 6-8 weeks in advance. This gives you time to compare prices, test recipes, and train your team. Seasonal ingredients often have shorter lead times, so you can't afford to wait until the last minute.
What if seasonal ingredients turn out to be more expensive than expected?
Always have a plan B with similar ingredients. For example: fresh mushrooms too expensive? Switch to dried mushrooms or canned mushrooms. Build flexibility into your seasonal planning from day one.
How do I prevent over-ordering seasonal ingredients?
Start cautiously: order for 3-4 days and monitor sales closely. Seasonal ingredients are often more perishable, so it's better to order slightly too little than too much. You can always reorder if a dish takes off.
📚 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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