Question

How do restaurants handle allergies?

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Answer

Through legal obligations, documented ingredient information and physical separation — and the quality of handling varies enormously, which is why how you ask matters as much as what you ask.

The legal position. Food businesses in many jurisdictions must provide accurate information about a defined list of allergens — commonly fourteen in the UK and EU, including cereals containing gluten, crustaceans, eggs, fish, peanuts, soya, milk, nuts, celery, mustard, sesame, sulphites, lupin and molluscs. Information must be available for every dish, whether written or provided verbally by trained staff, and prepacked food for direct sale must be labelled with a full ingredient list following a change introduced after a fatal case.

What a well-run kitchen does: an allergen matrix documenting every dish; separate preparation areas, boards and utensils for allergen orders; colour-coded equipment; changed gloves and washed hands; the order flagged from the point of taking it through to the pass; and the dish delivered by someone who states what it is.

Where it goes wrong: busy service; agency or new staff unfamiliar with the system; recipe or supplier changes not reflected in the matrix; shared fryers, which are a very common failure point for gluten and fish; garnishes and sauces added at the last moment; and communication breaking between front and back of house.

How to ask effectively, if you have an allergy:

Tell them when booking and again on arrival, before ordering.

Say "allergy", not "intolerance" or "I'm avoiding" — kitchens treat those differently, and softening the language is the most common mistake people with genuine allergies make.

Name the specific allergen and the severity.

Ask what they can do rather than whether a dish is safe, which produces a more considered answer.

Ask about the fryer, about sauces, and about cross-contact specifically.

Accept a refusal. A kitchen that says it cannot guarantee safety is being honest, and that is more useful than reassurance.

Carry your medication regardless, since no system is perfect.

General information, not medical advice.

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