Are corn tortillas gluten-free?

Pure corn tortillas are gluten-free, but some brands add wheat, and they may share fryers or griddles with flour tortillas.

Does mole contain nuts?

Many mole recipes contain peanuts, almonds, sesame seeds and sometimes bread, so check each one.

Is guacamole safe for allergies?

Guacamole usually contains none of the 14 allergens, but it is served with chips that may be fried in shared oil.

Does ceviche contain shellfish?

It often contains fish, prawns or other seafood. Check the specific recipe.

Does Mexican rice contain allergens?

Mexican rice is often cooked in chicken stock, which may contain celery, and sometimes fried in lard or oil. Check the stock.

Are refried beans safe for allergies?

Usually free of the main allergens, but some recipes add cheese or are cooked with lard. Check for milk.

Does salsa contain allergens?

Fresh tomato salsas usually contain none of the 14 allergens, but some salsas contain nuts or sesame.

Are churros gluten-free?

No. Churros are made from wheat-flour dough and are fried, often in shared oil.

Is queso fresco a milk allergen?

Yes. Queso fresco is a fresh cheese made from milk.

Does mole contain chocolate?

Many moles contain chocolate, which may contain milk and soy lecithin, along with nuts and seeds.

Mexican 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

Mexican food commonly contains gluten (flour tortillas, some sauces), milk (cheese, sour cream, crema), nuts, peanuts and sesame (mole sauces), crustaceans and fish (ceviche, shrimp tacos), egg (some desserts and batters), and celery or mustard in some sauces. Corn tortillas are naturally gluten-free but may be fried in shared oil or made with added wheat.

Allergens in Mexican cooking

Mexican restaurant food outside Mexico often blends traditional dishes with Tex-Mex. Corn is the traditional base: corn tortillas, tamales and tortilla chips. Flour tortillas, common in burritos and quesadillas, contain wheat. Cheese and sour cream top many dishes.

Mole sauces are complex blends that can include chillies, chocolate, peanuts, almonds, sesame seeds and bread, so they can carry several allergens at once.

Common Mexican 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.

Typical allergens in common Mexican dishes
Dish	Usual allergens	Watch for
Burrito	Gluten, milk	Flour tortilla, cheese, sour cream
Tacos (corn)	Varies	Corn tortilla; fillings and toppings; shared fryer for crispy shells
Quesadilla	Gluten, milk	Flour tortilla, cheese
Enchiladas with mole	Nuts, peanuts, sesame, gluten, milk	Mole sauce; cheese
Guacamole	Usually none of the 14	Served with chips from a shared fryer
Ceviche	Fish, crustaceans, molluscs	Raw seafood cured in citrus
Nachos	Milk, sometimes gluten	Cheese sauce; chips
Churros	Gluten, egg, milk	Fried dough; chocolate sauce

Mexican allergen hot spots

Shared fryers for chips, churros and battered fish, and mole sauces with several allergens.

Corn tortilla chips fried in oil shared with flour items or battered fish.
Corn tortillas made with added wheat flour in some brands.
Cheese sauce and crema on many dishes by default.
Sesame and nuts in mole and some salsas.

Saying it in Spanish

These phrases help in Mexico and in Mexican restaurants:

'Soy alérgico / alérgica a …' – I am allergic to…
trigo (wheat), harina (flour), leche (milk), queso (cheese), huevo (egg)
cacahuate (peanut, in Mexico), nueces (nuts), almendras (almonds), ajonjolí (sesame)
mariscos (seafood), camarón (shrimp), pescado (fish)
'¿Las tortillas son de maíz o de harina?' – Are the tortillas corn or flour?

Tex-Mex versus traditional Mexican

Many restaurants outside Mexico serve Tex-Mex: flour tortillas, melted cheese, sour cream, ground beef and fried chips. Traditional Mexican cooking relies more on corn, beans, chillies, fresh salsas and slow-cooked meats, with cheese used more sparingly. For guests avoiding gluten or milk, traditional dishes such as corn-tortilla tacos with salsa, pozole or grilled meats with beans and rice are often easier to adapt than Tex-Mex dishes, but stocks, seasonings and fryers still need checking.

For the kitchen

List tortillas, chips, salsas and moles as components with label-based allergens. Name the nuts and seeds in mole. State fryer sharing clearly. Offer corn tortillas from a checked brand for gluten-free guests.

Bought-in tortillas, chips, cheese sauces and seasoning mixes vary widely by brand. Keep their labels on file and recheck when a supplier changes. Taco seasoning blends can contain wheat flour, milk powder or celery, which spreads allergens to every dish that uses them. Make one person responsible for checking these labels.

For guests with allergies

Ask whether tortillas are corn or flour, whether chips share a fryer, what is in the mole and whether cheese or sour cream is added. Ask for toppings on the side.

Ask for a corn tortilla checked for wheat, and for toppings such as cheese, sour cream and salsa on the side so you can check each one.

Sources

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.