Safety Guide

How to Handle Food Allergies in Restaurants

Protect your guests and your business. A complete guide to allergen management, staff training, and creating safe dining experiences for customers with food allergies.

8 min readUpdated 2026

Food allergies affect millions of diners, and reactions can range from uncomfortable to fatal. For restaurants, allergen management isn't optional—it's a legal requirement and an ethical responsibility. Done well, it also builds customer loyalty among a grateful, underserved population. This guide covers everything restaurants need to know about handling food allergies safely.

1

Understanding Food Allergies

Before managing allergies, understand what you're dealing with: **Allergies vs. Intolerances**: Allergies trigger immune system responses that can be severe or fatal (anaphylaxis). Intolerances (like lactose intolerance) cause discomfort but aren't life-threatening. Both require accommodation, but allergies demand extra vigilance. **The Major Allergens**: Most countries require disclosure of these 14 allergens: 1. Celery 2. Cereals containing gluten 3. Crustaceans 4. Eggs 5. Fish 6. Lupin 7. Milk 8. Molluscs 9. Mustard 10. Nuts (tree nuts) 11. Peanuts 12. Sesame 13. Soybeans 14. Sulphur dioxide/sulphites **Cross-Contact**: An allergen-free dish can become dangerous if it touches surfaces, utensils, or oil used with allergenic foods. Even trace amounts can trigger severe reactions. **Severity Varies**: Some customers can tolerate small amounts; others react to traces. Always assume the worst case and prepare accordingly.

2M+
People with food allergies in the UK alone

Pro Tips

  • Train staff that allergies can be life-threatening—not preferences
  • Never assume a customer is exaggerating their allergy
  • When in doubt, check with the kitchen before confirming a dish is safe
4

Kitchen Safety Procedures

The kitchen is where allergen management succeeds or fails: **Separate Preparation Areas**: Ideally, have designated allergen-free zones for preparing dishes for allergic customers. If not possible, thoroughly clean surfaces and equipment before use. **Dedicated Equipment**: Colour-coded utensils, cutting boards, and pans for allergen-free prep reduce cross-contact risk. **Oil and Fryers**: If you fry allergens (breaded items, etc.), you cannot safely use that oil for allergen-free items. Consider a dedicated fryer. **Storage Separation**: Store allergens separately and below non-allergens to prevent contamination from spills or leaks. **Cooking Order**: On the line, prepare allergen-free dishes first, before allergens are being handled throughout the kitchen. **Clear Labelling**: Label all ingredients clearly. If staff can't immediately identify what's in a container, they can't safely use it. **Change Gloves and Wash Hands**: Before handling allergen-free food, staff must change gloves and wash hands thoroughly.

Pro Tips

  • Create visual guides for kitchen staff showing allergen procedures
  • Brief the kitchen when an allergy order comes in—not just the line cook
  • Never garnish or finish allergen-free dishes with potentially contaminated items
5

Staff Training

Every team member needs allergen training: **Front of House**: - How to ask about allergies when taking orders - Where to find allergen information - What to do if uncertain (check with kitchen, never guess) - How to communicate allergy orders to the kitchen - Recognising allergic reaction symptoms - Emergency response procedures **Back of House**: - All 14 major allergens and where they hide (soy in sauces, milk in marinades, etc.) - Cross-contact prevention procedures - How to prepare allergen-free orders safely - Reading and understanding labels - What to do if contamination may have occurred **Management**: - Maintaining allergen documentation - Handling customer complaints or incidents - Emergency response leadership - Regulatory compliance **Training Frequency**: Initial training for all new staff. Refresher training at least annually, or whenever procedures change. **Documentation**: Keep records of who was trained, when, and on what. This protects you if incidents occur.

Pro Tips

  • Role-play allergen scenarios during training
  • Test staff knowledge regularly
  • Make allergen awareness part of your culture, not just a compliance checkbox
6

Communicating with Customers

Clear communication prevents incidents: **Ask Proactively**: Train servers to ask about allergies at the start of every order. "Before I take your order, does anyone have any food allergies we should know about?" **Listen Carefully**: When customers disclose allergies, take them seriously. Repeat back to confirm understanding. Write it down. **Check with Kitchen**: If uncertain about any dish, check with the kitchen before confirming. Never guess or assume. **Be Honest About Limitations**: If you can't safely accommodate an allergy, say so. "I'm sorry, but we can't guarantee our kitchen is safe for someone with a severe peanut allergy" is better than taking a risk. **Confirm on Service**: When delivering food, reconfirm: "This is the gluten-free pasta you ordered." The final check catches any mix-ups. **Handle Complaints Seriously**: If a customer reports a reaction, respond immediately. Document everything. Review procedures. **Empower Staff to Say No**: Staff should feel comfortable refusing to serve something if they're not confident it's safe.

Pro Tips

  • Create standard scripts for allergen conversations
  • Thank customers for telling you about allergies—they're helping you serve them safely
  • Never make customers feel like their allergy is an inconvenience
7

Emergency Response

Know what to do if a reaction occurs: **Recognise Symptoms**: - Mild: Itching, hives, tingling mouth - Moderate: Swelling (face, throat), difficulty breathing, nausea, vomiting - Severe (Anaphylaxis): Throat closing, severe breathing difficulty, rapid pulse, loss of consciousness **Immediate Actions**: 1. Stay calm and assess the situation 2. Ask if the customer has an adrenaline auto-injector (EpiPen) 3. Help them use it if needed and they consent 4. Call emergency services (999 in UK, 112 in EU) 5. Keep the customer calm and comfortable 6. Do not leave them alone 7. Be prepared to perform CPR if trained **After the Incident**: - Document exactly what happened - Identify what was served and all ingredients - Review how the incident occurred - Update procedures to prevent recurrence - Cooperate with any investigation **Prevention is Everything**: Emergency response matters, but your goal is never to need it. Robust allergen management prevents emergencies.

Pro Tips

  • Post emergency procedures visibly in the kitchen
  • Know where the nearest hospital is
  • Consider first aid and EpiPen training for all staff

Key Takeaways

Food allergies can be life-threatening—never treat them as preferences or exaggerations
Legal requirements mandate allergen information for all menu items
Maintain accurate, updated allergen documentation for every dish
Implement kitchen procedures to prevent cross-contact
Train all staff on allergen awareness and emergency response
Communicate clearly with customers and be honest about your limitations

Frequently Asked Questions

No. Generic disclaimers don't satisfy legal requirements and don't help customers make safe choices. You must be able to identify which specific allergens are in each dish. Disclaimers about cross-contact are acceptable where true, but don't replace accurate allergen information.

Make Allergen Information Easy

Servd's digital menus include allergen filtering, letting customers see only dishes safe for them. Reduce errors, improve safety, and serve allergic guests confidently.