Tostadas (Crispy Tortillas with Toppings)

Crisp corn tortillas make tostadas one of the most satisfying ways to turn simple toppings into a complete Mexican-style lunch or snack. The fried tortilla acts as an edible base: sturdy enough to hold warm refried black beans, yet delicate enough to shatter as you bite. Here, cumin-scented beans provide the creamy layer, with iceberg lettuce, ripe tomato and avocado adding freshness and softness. Queso fresco, salsa and lime finish the dish with salt, acidity and brightness. Assemble them just before serving so the tostadas stay crunchy.
Cuisine style Mexican street food
Cooking style Crowd-friendly
Time commitment Under 30 minutes

Why this recipe works

  • Crisp base: Frying the corn tortillas until deep golden gives each tostada the sturdy crunch needed to hold the toppings.
  • Balanced textures: Thick refried beans, crisp lettuce, ripe avocado and crumbly cheese create a satisfying contrast in every bite.
  • Fast assembly: The beans cook quickly from canned black beans, while the fresh toppings can be prepared as the tortillas fry.

Get the most out of this recipe

Texture tips

  • Keep the beans thick: The bean layer should be spreadable rather than loose, so it coats the tortilla without soaking through it.
  • Fry until fully golden: Pale tortillas will soften more quickly; a deeper golden colour gives a firmer, crunchier tostada.
  • Assemble at the last moment: Add the lettuce, tomato, avocado, cheese and salsa just before serving to keep the base crisp.

Make-ahead tips

  • Make the beans ahead: The refried black beans can be cooked in advance and refrigerated separately until needed.
  • Keep toppings separate: Store the beans, salad toppings, cheese and salsa in separate containers so nothing turns watery or soft.
  • Reheat gently: Warm the beans in a saucepan with a little water, stirring until hot and spreadable before assembling.

Ingredient notes

  • Use corn tortillas: Corn tortillas give tostadas their characteristic flavour and crisp, brittle texture after frying.
  • Choose a firm tomato: A ripe but firm tomato is easier to dice and adds freshness without releasing too much juice.
  • Cheese changes the finish: Queso fresco is soft and milky, while Cotija gives a saltier, firmer topping.

Serving ideas

  • Finish with lime: A squeeze of lime just before eating sharpens the beans, avocado and cheese.
  • Serve with simple sides: Pair with rice, a chopped salad or grilled corn for a more complete lunch.

Equipment you'll need

Ingredients
Instructions
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  1. Finely chop the onion and crush the garlic. Drain and rinse the black beans. Cut the tomato into small dice, slice the avocado, and cut the lime into wedges.
  2. Make the beans: heat 1 tbsp of the sunflower oil in a saucepan over medium heat, then cook the onion with a pinch of the salt for 4 to 5 minutes until softened. Stir in the garlic and cumin for 30 seconds until fragrant. Add the beans and 60 ml water, then simmer for 3 to 4 minutes and mash with a wooden spoon until thick and spreadable; season with the remaining salt and the pepper.
  3. Fry the tortillas: pour the remaining sunflower oil into a large frying pan to a depth of about 5 mm and heat over medium-high. Fry the tortillas one at a time for 45 to 60 seconds per side until deep golden and crisp, turning with tongs. Transfer to a plate and repeat with the remaining tortillas.
  4. Assemble: spread the warm refried beans over each tostada. Top with the shredded lettuce, diced tomato and avocado. Finish with crumbled queso fresco and a spoonful of salsa, then serve straight away with lime wedges for squeezing over.

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Recipe notes

Tips

  • Keep the bean mixture thick so it does not soak the tostadas; if it loosens, simmer for 1 to 2 minutes more, stirring, until it holds its shape.
  • For the crispest tostadas, assemble just before serving and keep the fried tortillas on a rack or plate in a single layer so steam does not soften them.

Substitutions

  • Replace Queso fresco with Cotija cheese for a saltier, firmer finish.
  • Replace Salsa with Salsa verde for a brighter, tangier topping.

Storage

  • Refrigerate up to 2 days
  • Store the refried beans separately in an airtight container in the fridge for up to 2 days. Reheat gently in a saucepan with a splash of water until piping hot; keep toppings chilled and fry fresh tortillas for serving.

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Recipe overview

  • Servings: 2 servings
  • Total time: 25min (25min active)
  • Difficulty: Easy
  • Cuisine: Mexican
  • Allergens:
    Milk
Beginner friendly Kid friendly

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