Online Allergy Training

Module 5 – Introduction

A severe food allergy can cause a life-threatening reaction and even a tiny trace can be enough to cause an allergic reaction. It is important that you and your staff are aware of the composition of the foods you sell to enable you to cater for customers with food allergies and intolerances. Food allergens cannot be removed by cooking, so they need to be managed carefully.  

Food businesses need to understand their own processes and products and identity, manage and communicate allergen risk to their staff and customers who have allergies to certain foods. Allergen management can easily be done in three steps:

Step 1 – Identifying allergens

Step 2 – Manage allergen risks

Step 3 – Communicate with your staff and customers (see module 6)

Module 5 – Identifying allergens

The table below lists the most common allergens and provides examples of foods which typically contain them:

Allergens Examples of typical foods which contain this allergen (Please note this list is not exhaustive) 
Cereals containing Gluten e.g. wheat (such as spelt and khorasan wheat), rye, barley, oats Bread, pasta, cakes, pastry, sauces, soups, batter, stock cubes, breadcrumbs, semolina, couscous, some meat products
Celery and Celeriac e.g. stalks, seeds and leaves Salads, soups, celery salt, some meat products
Eggs Cakes, sauces, pasta, mayonnaise, some meat products, glazed products
Fish, e.g. all fish, Some salad dressings, fish extracts, oils and paste, soy and Worcestershire sauces, relishes 
Crustaceans e.g. prawns, lobster, crab,langoustines Seafood soups & stews e.g. bouillabaisse, seafood flavourings
Molluscs e.g. clams, mussels, oysters, octopus Seafood soups and stews e.g. bouillabaisse, some processed foods e.g. Oyster sauce
Milk Milk powder, yoghurt, butter, cheese, cream, ghee, foods glazed with milk, ice cream, some protein powders
Mustard Mustard paste, seeds, leaves, flour, powder and liquid mustard, salad dressings, marinades, soups, sauces, curries, some meat products
Peanuts Arachis oil, peanut butter, flour, satay sauce peanut oil
Nuts e.g. almond, hazelnut, walnut, cashew, pecan, Brazil, pistachio, macadamia/Queensland nuts  In sauces, desserts, bread, crackers, ice cream, praline (hazelnut), nut butters, essences and oils, marzipan and frangipane (almond), pesto, nut salad dressings
Sesame seeds Oil or paste, tahini, houmous, halva, furikake, Gomashio, bread
Soya Some ice cream, sauces, desserts, meat products, vegetarian products, flour, tofu or beancurd, textured soya protein, soy sauce, edamame beans
Sulphur Dioxide and Sulphites Some meat products, stock cubes, bouillon mix, fruit juice drinks, dried fruit/vegetables, wine, beer, cider 
Lupin Some types of bread and pastries, seeds, flour.

Module 5 – Manage allergen risks

Managing allergen risks can be done by adapting the following guidance for your business.

Module 5 – Deliveries and Labels

  • Check that the food delivered matches your order. If it does not match, check the ingredient list of the replacement product.  Never accept a delivery without it being fully labelled with an ingredient list.
  • Be aware of hidden ingredients, for example, nuts used in the base of a cheesecake.
  • Any foods whose ingredients are unknown to you or you are unsure about, will require further investigation before the allergen status of that food can be verified.

Module 5 – Storage and avoiding cross-contamination

  • Keep allergens separate from other foods and follow advice for avoiding cross-contamination in the kitchen.
  • Store foods that contain allergens separate from other foods and consider using clearly marked or colour-coded containers.
  • Store foods that contain allergens in powdered form, such as milk powder, or flour in air-tight containers.
  • Do not lose the original product description following unpacking, decanting and storage.
  • Keep a record of all foods and ingredients purchases by you to ensure traceability.
  • Put in place steps to prevent cross-contamination between foods that contain allergens and foods that do not  e.g. not using the same spoon for spices and nut powders and not having open containers on kitchen benches and worktops.
  • Consider garnishes & accompaniments. – do these contain allergens that need to be considered? e.g. swirl of crème fraiche on soup, croutons etc.

Module 5 – Preparing dishes

  • Know all the ingredients in the food you handle to ensure you provide accurate allergen advice to customers
  • When preparing or serving food for an allergy sufferer always:
    • Use a separate area to prepare the food
    • Clean and disinfect the work surface, equipment and serving utensils first, N.B. Not all equipment can be fully sanitised like tandoori ovens etc.
    • Wash your hands thoroughly
    • Check all ingredients listed on pre-packed foods, including secondary ones e.g. thickeners for sauces
    • Do not cook food in oil in which you have cooked other foods
    • Do not remove allergenic ingredients, such as nuts, from a dish and call it allergy-free because residues of the allergenic ingredient may remain in the dish and may still cause a reaction
    • When displaying food in buffets or display cabinets, always lay out dishes in a way that will minimise the risk of allergen-free food being contaminated with ingredients from another dish and provide dedicated allergen serving utensils.

Module 5 - Cooking

A business has a legal obligation to produce food that is safe which means you need to know what allergens are in all of the food you sell. This can be done either by checking ingredient lists or asking suppliers to provide allergen information.

A food containing even a tiny trace of an allergen can cause an allergic reaction and regardless of how much the food is cooked, the allergen cannot be removed.  This means it is very important to consider the cooking processes used when preparing food for allergic customers.

  • Before preparing food, clean all work surfaces and equipment thoroughly using hot, soapy water to remove traces of anything that was cooked before.
  • Keep allergens separate from other foods and follow advice for avoiding cross-contamination in the kitchen.
  • Double check ingredients listed on pre-packed foods for allergens e.g. Worcester sauce, condiments, stock cubes, thickeners or garnishes.
  • Be aware of allergens in any alcoholic drinks added to dishes e.g.  cereals containing gluten in beer, sulphites in red wine and milk or egg in liquor products.  For alcoholic drinks with no ingredients list, allergens are indicated by the word ‘contains’ followed by the name of the allergen.

It is also important to consider the use of communal equipment in a kitchen when preparing food for allergic customers. Here are some examples:

Deep fryers

  • Has the oil been used to cook food containing the allergen? If so, this oil cannot be used to prepare allergen free food. The fryer must be emptied, thoroughly cleaned & refilled with fresh oil to prevent contamination.
  • If this is not possible then consider whether the food can be prepared via shallow frying in a clean pan with fresh oil. 

Toastie makers/panini presses

  • Has the equipment been used to prepare food containing the allergen? If so, the cooking surfaces needs thoroughly cleaned with hot soapy water before you prepare food for customers with food allergies
  • As an alternative, consider whether the dish can be prepared using a clean oven tray and a grill.


  • If cooking equipment is not washed between dishes e.g. a ‘seasoned’ wok, it cannot be used to prepare allergy free food. 
  • Instead of using this type of equipment, consider whether allergen free dishes can be prepared using equipment which can be thoroughly cleaned with hot soapy water.

Module 5 – Communicate with staff (more in module 6)

Ensure staff have a knowledge of what allergens are in what dishes. If they don’t know they shouldn't guess, they should check with someone who does know. Also, ensure staff are notified of any ‘on-the-day’ substitutions that contain allergens.

Key allergen messages:

  • Food allergies can kill; talk to your staff about the risks and train them in allergy awareness
  • Know all the ingredients in the food that you prepare
  • Keep food that can cause an allergic reaction and/or intolerance separated from other food
  • Utensils and equipment used with food that can cause allergic reactions and/or intolerance should be kept separate from other utensils and equipment or cleaned thoroughly after use
  • Be aware of the ingredients in bought–in products e.g. marinades, gravy mixings or seasonings
  • Cooking does not eliminate allergen risks.

Before you begin the quiz

The following two questions are optional and help us with our reporting and providing you a better service.

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