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Mexican Tuna Tostadas
Street FoodEasy

Mexican Tuna Tostadas

15 min (15 prep + 0 cook) Easy 4 servings Pacífico
Edmond Bojalil
Edmond Bojalil

Recetas Mexas

Published: 24 Mar 2026 · Updated: 16 Apr 2026
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Crispy tostadas topped with Mexican-style prepared tuna.

About this recipe

Tuna tostadas are a quick and affordable snack where tuna is mixed with mayonnaise, tomato, onion, chilli and lime on a crispy tostada.

History & Origin

Tuna tostadas are an example of practical Mexican cooking that transforms simple ingredients into something delicious. Tinned tuna was quickly incorporated into the popular diet for its affordable price and long shelf life.

Estimated cost

£5.00

Total cost

£1.25

Per serving

* Approximate prices based on UK supermarkets

Nutritional information per serving

240

Calories

18g

Protein

20g

Carbohydrates

10g

Fat

2g

Fibre

520mg

Sodium

* Approximate values. May vary depending on ingredients used.

Method

  1. 1

    Drain the tuna well and flake with a fork in a large bowl.

    Step 1
  2. 2

    Add the finely diced tomato, chopped onion, finely chopped serrano chilli and coriander. Mix well.

    Step 2
  3. 3

    Stir in the mayonnaise and lime juice. Season with salt to taste. Mix until combined.

    Step 3
  4. 4

    Spread a generous layer of the tuna mixture on each tostada. Top with avocado slices.

    Step 4

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Edmond Bojalil
Edmond Bojalil

Founder, Recetas Mexas

Mexican from Puebla, IT professional and foodie. Author of 736+ authentic Mexican recipes adapted for European kitchens. Based in Madrid since 2018.

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