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The 14 allergens: list, allergen matrix and what restaurants must do

UK and EU food law names 14 allergens that restaurants must declare: celery, gluten cereals, crustaceans, eggs, fish, lupin, milk, molluscs, mustard, tree nuts, peanuts, sesame, soya and sulphites. The US names nine. An allergen matrix records them per dish, and it only stays right if purchasing keeps it updated.

The 14 allergens and where they hide in a kitchen

The list comes from UK food law and from Annex II of EU Regulation 1169/2011. Obvious ingredients rarely cause the trouble. Mixes, sauces and bought in products do, so the right column shows where to look. These are typical examples, and the label of the product you actually use decides.

AllergenOften found in
Cereals containing gluten (wheat, rye, barley, oats)Flour dusting, roux, breadcrumbs, soy sauce, beer batter, some stock powders
CrustaceansPrawn stock, shrimp paste in curry pastes, bisque
EggsMayonnaise, aioli, fresh pasta, glazes on pastry, some breadcrumbs
FishWorcestershire sauce, Caesar dressing, fish sauce, anchovies in a tapenade
PeanutsSatay, some curry pastes, peanut oil, Asian sauces
SoybeansSoy sauce, tofu, some margarines, bread and chocolate
MilkButter to finish a sauce, cream, cheese, some sausages and spice blends
Tree nuts (such as almond, hazelnut, walnut, cashew, pecan, Brazil nut, pistachio, macadamia)Pesto, marzipan, praline, nut oils, granola, some dessert bases
CeleryMirepoix, stocks and stock powders, spice salts, soups
MustardDressings, mayonnaise, marinades, curry powders, pickles
SesameTahini in hummus, sesame oil, bun toppings, furikake
Sulphur dioxide and sulphites (above 10 mg per kg or litre)Wine in a sauce, wine vinegar, dried apricots, some prepared potato products
LupinSome breads, pastries and gluten free flours
MolluscsOyster sauce, mussel stock, squid, some seafood mixes
US list US law names nine major food allergens: milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans and sesame. If you serve international guests, tracking all 14 costs little extra.

What restaurants must do: UK, EU and US

The list is similar across markets, but the duty on a restaurant is not.

Check locally This is a summary, not legal advice. Your local authority, state or county decides what it accepts, and rules in this area keep changing.

Allergen matrix example

An allergen matrix, also called an allergen chart, is a table with your dishes on one side and the allergens on the other. A full one has 14 columns. For a working version, the kitchen also needs to know where each allergen comes from, so it can check again when something changes. Here is what that looks like for five typical dishes. The recipes are examples, so yours will differ.

DishSource in this recipeDeclareCheck when
Caesar saladDressing with anchovy, egg yolk and mustard, parmesan, croutonsFish, eggs, mustard, milk, glutenThe dressing or croutons are bought in
Pasta with basil pestoFresh pasta, parmesan, cashews in the pestoGluten, eggs, milk, tree nutsThe pesto brand changes
Braised beef with red wine sauceMirepoix, red wine, stock, butter to finishCelery, sulphites, milkThe stock base changes
Hummus with flatbreadTahini, wheat flatbreadSesame, glutenThe bakery changes
Green curry with prawnsPrawns, shrimp paste, fish sauce, soy sauceCrustaceans, fish, soybeans, glutenThe curry paste changes
Read every label A dish is only as accurate as its least checked ingredient. Include oils, spice blends, ready sauces and garnishes, and processing aids as well, because the rules cover those too.

Your matrix and your standardized recipes should tell the same story. If a recipe card lists an ingredient, its allergens belong in the matrix. In your HACCP plan, allergens are one of the hazards you have to control.

How to build your allergen matrix in six steps

Plan for one quiet afternoon per menu section. The first version takes the longest, and after that you only maintain it.

  1. List every dish and component. Include sauces, garnishes, bread, sides, drinks with allergens, and the daily special. Guests ask about the whole plate.
  2. Collect the labels and specification sheets. For each bought product, keep the current label or supplier sheet. If a product arrives without one, ask the supplier before you use it.
  3. Mark the allergens per dish. Work through the recipe, not from memory, and note the source ingredient for each mark. Two people checking catch more than one.
  4. Publish it for guests and staff. Choose the method your rules allow: on the menu, a folder, or a notice that tells guests to ask. Keep one current version at the pass as well.
  5. Train everyone who serves or cooks. Staff need to know where the matrix is, who to ask, and that guessing is never acceptable. Explain it in a language each person understands.
  6. Update it on every change. New dish, new recipe, new product or new supplier: change the matrix the same day and date the new version. Remove the old copies.

The supplier swap that breaks your matrix

Here is the scene nobody plans for. Your usual breadcrumbs are out of stock, so the supplier sends a substitute from another brand. The cooks use it, the dish tastes the same, and the new product contains an allergen the old one did not. Your matrix is now wrong, and nothing in the kitchen shows it.

So allergen control starts at purchasing. Write it into your receiving check: when a product differs from what you ordered, compare the label before it goes into storage, and tell whoever owns the matrix. Ask your suppliers to announce substitutions and recipe changes in advance.

A matrix made once

  • Written when the menu launched
  • Based on the products of that day
  • Substitutes go straight to the shelf
  • Nobody knows which version is current

A matrix that stays right

  • Has a date and an owner
  • Every substitute gets a label check
  • Recipe changes trigger an update
  • Old copies are removed from service

Cross contact and the conversation with the guest

Knowing the ingredients is half the job. The other half is keeping the allergen out of the dish that should not have it, and being honest about when you cannot.

In an emergency Staff should know to call emergency services immediately when a guest has a severe reaction. Medical questions belong with a doctor, not with this guide or the kitchen.

Common allergen mistakes in restaurants

Where Pelican fits, and where it does not

Pelican is not allergen software. It does not store allergens, build a matrix or check labels, and it does not replace your documentation or a check by the authorities. It is also not a POS, a guest ordering system or a stock booking tool, and it does not place orders with your suppliers.

Pelican handles the order. The team adds what is missing by voice or typing, each in their own language, and the head chef approves one list. The order history shows what was ordered, when, from which supplier and by whom, which helps when a delivery differs from your order and you need to spot a substitute. The label check itself stays with you.

Pelican app: order history with orders, items and the week's spending

Pelican is billed per business, not per user: Solo 19 euros per month (up to 3 users), Basic 29 euros per month (up to 5 users), Pro 59 euros per month (unlimited users). Paid yearly it is 15, 24 or 49 euros per month. Every plan starts with 30 days free.

Frequently asked questions

What are the 14 allergens?

Celery, cereals containing gluten, crustaceans, eggs, fish, lupin, milk, molluscs, mustard, tree nuts, peanuts, sesame, soybeans, and sulphur dioxide and sulphites above 10 mg per kg or litre.

Do restaurants have to list allergens on the menu?

Not always on the menu itself. In the UK you can give written information on a menu, chalkboard or pack, or tell guests verbally if a clear written notice explains how to get it. EU countries set their own method. In the US it depends on your state and city.

What is an allergen matrix?

A table showing which of the allergens each dish contains. Kitchens use it to answer guests accurately and to show an inspector how they manage allergens.

Who does Natasha's Law apply to?

Food businesses in England, Wales and Northern Ireland that sell food packed on site before the guest chooses it. Such food needs a full ingredients label with allergens emphasized. Scotland has similar rules.

How many major allergens are there in the US?

Nine: milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans and sesame. Sesame was added from January 1, 2023.

How often should an allergen matrix be updated?

Every time a dish, a recipe, a product or a supplier changes, plus a regular review so that small changes are not missed. Date each version and remove the old ones.

Fewer surprises in the delivery

Pelican brings your team's order list together in every language in your kitchen, with a history of what was ordered. Try it free for 30 days. It does not replace your allergen records.

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