How to Respond to Guests with Dietary Requirements: Check the Ingredient Information, Then Confirm with the Person in Charge

When a guest asks, “Can I eat this?”, first clarify which dish, ingredient or dietary requirement they mean. Then ask someone familiar with the current recipe and preparation conditions to confirm. Front-of-house staff are responsible for communicating the answer and any limitations in full. Do not promise that a dish is safe based on its name, a picture or a request to “leave out an ingredient.” If information is missing, say clearly that you cannot confirm, rather than leaving the guest to wait while looking at a note.

Clarify the requirement without asking about unrelated medical history

Taste preferences, allergies, intolerances and vegetarian choices should not be lumped together under a single “dietary restriction” label. Staff should briefly restate the specific concern, without judging its severity from the guest’s tone. If there is a language barrier, ask an appropriate colleague for help or use verified written material, then confirm the key details with both parties. Collect only the information needed to respond to this request.

Use an information reference card to find the current details

Have someone familiar with the kitchen fill in the fields below so front-of-house staff can quickly find the information. The card is for locating details and handing them over; it does not certify that a dish is safe for any particular person.

• Dish and serving size: ____; current recipe or ingredient version: ____; person responsible for maintaining it: ____.
• Compound ingredients, sauces and accompaniments: ____; location of supplier labels or information: ____; recent ingredient changes: ____.
• Who can explain preparation conditions on site: ____; person confirming during the current shift: ____; front-of-house staff member responding: ____.
• What can be confirmed in this case: ____; what cannot yet be confirmed: ____; what needs checking next: ____.

AESAN explains that oral information about allergens provided by food businesses must be supported by written or electronic information that customers can consult. The recipe actually in use, compound ingredients and supplier information must correspond to the dish currently being sold. An ingredient list alone also cannot fully establish the risk of cross-contact. If an ingredient is not listed, that does not guarantee it is absent.

Choose the next step according to the situation

• Information is complete and the person responsible for preparation can confirm: Explain the verified ingredients, what can actually be done and any limitations, then let the guest decide whether to order.
• A label is missing or information versions conflict: Explain that you cannot confirm yet and ask the person responsible for maintaining the information to check. Do not expect the staff member taking the order to fill in the gaps.
• A change of brand or accompaniment, or a temporary ingredient substitution: Recheck the affected dishes, then update the menu descriptions and responses. Do not rely on previous conclusions.
• The requirement is still not understood by both parties: Get help from an appropriate colleague and do not promise that it can be accommodated until the request is clear.

Keep menu descriptions, translations and order notes in their proper roles

Menu descriptions should state facts the restaurant has verified. Vegetarian descriptions also require checking sauces, preparation bases and accompaniments. MenuSnap can help organize and display content in multiple languages, but AI is not responsible for determining dietary safety. Verify the source text first, then have it reviewed by someone who knows the target language and the dish. Do not turn “made without a particular ingredient” into “free from a particular allergen.”

A note left by a guest on their phone or in an order taken by staff does not mean the kitchen has read it, accepted it or can meet the request. Once confirmed, link the requirement to the specific item, and have the staff responsible for preparing and delivering it continue to check it. If staff change or the order is amended, make sure the affected details are handed over clearly. Do not disclose guests’ health details when publicly calling out orders or on labels on the outside of bags.

What to do if a question comes up about an omitted ingredient or before handoff

Removing a topping does not by itself prove that a dish meets a dietary requirement or eliminate the risk of cross-contact. Check the specific recipe and preparation method first. If you cannot confirm, say plainly that the restaurant cannot confirm; do not casually recommend another dish as a safe substitute.

If you discover that information is incomplete after taking an order, pause preparation or handoff of the affected dish. Have the person in charge check again and explain the situation to the guest; do not quietly substitute another dish. Handle the relevant bill under the restaurant’s existing authorization process. A business decision about how to resolve the situation must not obscure the fact that the ingredients remain unclear.

Fill information gaps at closing; do not measure how often requests were safely met

Record issues such as information that could not be found, a misunderstanding about a dish, language difficulties or outdated versions. Assign a specific person to update the information card and menu. Keep only the dish and issue category needed; do not collect medical history, and do not treat the absence of complaints as proof of safety. At the next shift handover, check whether colleagues can find the current information and the person responsible, rather than continuing to rely on the owner’s memory.