A chef at a farm-to-table restaurant discovers their "safe" autumn salad now contains walnuts because their supplier switched to a mixed greens blend without warning. Seasonal menus don't just change dishes—they shift suppliers, ingredients, and allergen profiles every few months. You need a systematic approach that catches these changes before they reach your guests.
Why seasonal menus require extra attention
With a seasonal menu, you're not just changing dishes, but often suppliers and ingredients too. A summer salad with fresh basil has different allergens than a winter stew with breaded chicken. Every change can introduce new allergens or eliminate existing ones.
⚠️ Note:
Restaurants are legally required to provide correct allergen information. During seasonal changes, many kitchens forget to update their allergen records, which can lead to dangerous situations.
The 4-season approach to allergen information
Treat each season as a completely new menu regarding allergens. This prevents confusion and ensures consistency.
- Spring (March-May): Fresh herbs, young vegetables, often new suppliers
- Summer (June-August): Lots of fresh produce, BBQ ingredients, ice creams and desserts
- Fall (September-November): Casseroles, mushrooms, nuts in dishes
- Winter (December-February): Stews, lots of dairy, seasonal beers
Step-by-step allergen registration per season
Start the allergen check 2 weeks before the menu change. This gives you time to resolve any issues—the kind of thing you only learn after closing your first month at a loss because a guest reaction shut down service for three hours.
💡 Example seasonal change:
From winter menu to spring menu in a bistro:
- Gone: Winter stew (gluten in roux, celery)
- Gone: Pumpkin soup (possibly sulfites in broth)
- New: Spring salad (mustard in dressing, nuts as garnish)
- New: Grilled fish (possible cross-contamination from fryer)
Result: 3 allergens removed, 2 new ones added
Digital vs. paper allergen registration
For seasonal menus, digital registration works better than paper lists. You can quickly search, copy and adjust without rewriting everything.
- Digital advantages: Quick copying of base recipes, search function, backup
- Paper disadvantages: Lots of rewriting, difficult to search, risk of loss
- Hybrid approach: Digital as base, paper overview in the kitchen
Review and validation per season
Schedule an "allergen audit" with each menu change. Check not only new dishes, but also existing ones that have been slightly modified.
💡 Example audit checklist:
Review during seasonal change:
- All 14 EU allergens per new dish
- Cross-contamination from fryer/grill/cutting board
- New suppliers: different ingredients?
- Sauces and dressings: often forgotten allergens
- Garnishes and decorations
Train your team during menu change
Your service staff needs to know the new allergen information before the seasonal menu goes live. Schedule a brief briefing the day before the change.
- Which dishes are new and what allergens they contain
- Which dishes have been modified (different supplier/recipe)
- Which dishes remain the same
- Special points of attention (e.g., new fryer for gluten-free)
⚠️ Note:
Train your team to always say "no" to guests with allergies if they're unsure. Better a disappointed guest than a sick one.
Managing seasonal allergen data digitally
A digital system helps manage allergen information for changing menus. You can create separate recipe groups per season and automatically calculate allergen information from ingredient to finished dish.
- Copy base recipes and adjust for season
- Automatic allergen detection per ingredient
- Overview of which dishes contain which allergens
- Easy printing of allergen overviews for service staff
How do you set up allergen information for seasonal menus?
Create a seasonal planning
Schedule an allergen check 2 weeks before each menu change. Create an overview of which dishes disappear, which are new, and which are slightly modified. This prevents you from forgetting to update allergen information.
Register all 14 EU allergens per dish
Go through each new or modified dish and check all 14 mandatory allergens: gluten, crustaceans, eggs, fish, peanuts, soy, milk, tree nuts, celery, mustard, sesame seeds, sulfites, lupine and mollusks. Don't forget sauces and garnishes.
Train your team for the menu change
Organize a brief briefing with your service staff about new allergens in the seasonal menu. Give them an overview of which dishes are safe for common allergies and instruct them to always consult the kitchen if in doubt.
✨ Pro tip
Create a 48-hour buffer between finalizing your seasonal allergen audit and launching the new menu. This gives you time to train staff properly and catch any last-minute supplier changes that could affect allergen profiles.
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
Do I need to re-register allergen information if I only change the supplier?
Yes, allergens can differ per supplier even with the same ingredients. A new supplier may use different production processes or additives, which can introduce cross-contamination.
How long should I keep allergen information from old seasonal menus?
Keep allergen information for at least 2 years. If a guest later claims to have gotten sick, you can demonstrate which allergens were in the dish at the time of consumption.
Can I copy allergen information from last year's same season?
Only if you use exactly the same recipes, suppliers and preparation methods. Always check if anything has changed, because even small adjustments can introduce new allergens.
What if a guest asks about allergens not on the EU list?
You're only legally required to register the 14 EU allergens, but help guests where possible. For rare allergies, you can show ingredient lists from suppliers.
⚠️ EU Regulation 1169/2011 — Allergen Information — https://eur-lex.europa.eu/eli/reg/2011/1169/oj
The allergen information on this page is based on EU Regulation 1169/2011. Recipes and ingredients may vary by supplier. Always verify current allergen information with your supplier and communicate this correctly to your guests. KitchenNmbrs is not liable for allergic reactions.
In the UK, the FSA enforces allergen regulations under the Food Information Regulations 2014.
📚 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.
Allergen registration that's truly compliant
EU legislation requires allergen documentation for every dish. KitchenNmbrs automatically generates allergen matrices based on your ingredients. Try it free for 14 days.
Start free trial →