Italian Food Allergens: where allergens hide and how to order safely
By the Menulta editorial team · Facts checked 15 October 2026 · Updated 15 October 2026
The short answer
The main allergens in Italian food are gluten (pasta, pizza, bread, breadcrumbs), egg (fresh pasta, carbonara, tiramisu), milk (cheese, butter, cream), nuts (pesto, cantucci, amaretti, pistachio desserts), celery (soffritto in ragù and soups), fish (anchovies in sauces) and sulphites (wine in sauces and risotto). Shared pasta water, pizza flour in the air and nut-based desserts are the main cross-contact risks.
Allergens in Italian cooking
Italian cooking builds flavour on a few foundations: a soffritto of onion, carrot and celery; olive oil or butter; cheese; and wine. Each brings an allergen that is easy to forget because it is part of the base rather than the dish's name. Celery in soffritto, milk in a butter-finished risotto and sulphites in a wine reduction are the classic misses.
Pasta itself varies: dried durum wheat pasta usually contains gluten but not egg, while fresh pasta, gnocchi in some recipes and filled pasta often contain egg as well. Pesto alla genovese traditionally uses pine nuts, which are not an EU-listed nut, but many kitchen and bought-in pestos use cashews or walnuts, which are.
Common Italian dishes and their usual allergens
Recipes vary between kitchens, so treat this as a guide to where to look, not a substitute for each restaurant's own allergen record.
| Dish | Usual allergens | Watch for |
|---|---|---|
| Spaghetti carbonara | Gluten, egg, milk | Pecorino and Parmesan; guanciale may be cured with sulphites |
| Lasagne | Gluten, egg, milk, celery | Fresh egg pasta, béchamel, soffritto in ragù |
| Pesto pasta | Gluten, milk, nuts | Cashews or walnuts in many pestos |
| Risotto | Milk, celery, sulphites | Butter and Parmesan, celery in stock, wine |
| Pizza margherita | Gluten, milk | Some doughs contain soy flour; shared ovens |
| Vitello tonnato | Fish, egg, mustard | Tuna sauce with mayonnaise |
| Puttanesca | Gluten, fish | Anchovies melted into the sauce |
| Tiramisu | Egg, milk, gluten | Savoiardi biscuits; some recipes add Marsala (sulphites) |
| Cannoli, cantucci, amaretti | Gluten, milk, nuts, egg | Pistachio, almond and hazelnut |
Italian allergen hot spots
Three places cause most problems in Italian kitchens. Pasta water is reused all evening, so gluten-free pasta cooked in it is no longer gluten-free. Pizza kitchens fill the air with flour. Pastry sections use pistachio, almond and hazelnut constantly, and their crumbs travel.
- Cook gluten-free pasta in fresh water in a clean pan, and drain it with a clean colander.
- Bread and breadsticks on the table may be seeded or brushed with milk or egg.
- Gelato counters share scoops between nut and non-nut flavours.
- Bought-in pesto, sauces and desserts change recipes between brands.
Saying it in Italian
Many Italian restaurants abroad have Italian-speaking staff, and in Italy these phrases help:
- 'Sono allergico/allergica a…' – I am allergic to…
- glutine (gluten), latte (milk), uova (eggs), frutta a guscio (tree nuts), arachidi (peanuts)
- pesce (fish), crostacei (crustaceans), molluschi (molluscs), sedano (celery), senape (mustard)
- sesamo (sesame), soia (soy), solfiti (sulphites), lupini (lupin)
- 'Senza glutine' – gluten-free; 'celiaco/celiaca' – coeliac
Regional differences
Italian cooking is regional. Northern dishes lean on butter, cream and cheese, so milk is more widespread; risotto, polenta with butter and filled egg pasta are typical. Southern and Sicilian dishes use more olive oil, but bring almonds and pistachios into both savoury and sweet dishes, plus anchovies and capers. Ligurian pesto, Sicilian pistachio pesto and almond-based sauces such as pesto trapanese show how many different nuts can sit behind one word. When eating Italian food with an allergy, ask about the region a dish comes from as well as its name.
For the kitchen
List soffritto, stocks, pestos, sauces and dough as components in the allergen record, so their allergens flow into every dish that uses them. Name the specific nut in pesto and desserts. Mark wine-based sauces for sulphites. If you offer gluten-free pasta, say how it is cooked, and be honest about flour in a pizza kitchen.
For guests with allergies
Ask what nut is in the pesto, whether the risotto is finished with butter and cheese, how gluten-free pasta is cooked, and whether desserts are made in a kitchen that uses nuts. Most Italian dishes can be adapted for milk or nut allergies, but gluten is central to the cuisine, so coeliac guests should look for kitchens with clear gluten-free procedures.
Sources
- Regulation (EU) No 1169/2011, Annex II (EUR-Lex)
- UK Food Standards Agency: Allergen guidance for food businesses
This guide is general information, not medical or legal advice. Guests with an allergy should follow their doctor's advice. Operators should confirm their own setup with their food safety adviser or local authority.