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Easy Vegetarian Tostadas with Avocado, Cheddar, and Pickled Red Onions Recipe

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4 from 54 reviews

These Easy Vegetarian Tostadas are a vibrant, quick meal featuring crispy tostada shells topped with creamy mashed avocado, sharp cheddar cheese, tangy pickled red onions, fresh cilantro, and a hint of everything bagel seasoning. Perfect for a light lunch or snack, they combine simple ingredients for big flavor with minimal prep.

  • Total Time: 10 minutes
  • Yield: 4 tostadas

Ingredients

Main Ingredients

  • 4 Tostada Shells
  • 2 medium, ripe Avocados
  • 1/2 tsp. Kosher Salt (Diamond Crystal preferred) plus more to taste
  • 1/2 tsp. Garlic Powder plus more to taste
  • 2 tbsp. fresh Lime Juice plus more to taste
  • 1 cup Shredded Cheddar Cheese
  • 1/2 cup Pickled Red Onions
  • 1/4 cup finely chopped fresh Cilantro
  • 4 tsp. Everything Bagel Seasoning (optional)

Instructions

  1. Make the Creamy Base: Peel and pit the avocados, then scoop the flesh into a mixing bowl. Add 1/2 teaspoon kosher salt, 1/2 teaspoon garlic powder, and 2 tablespoons fresh lime juice. Mash the avocado to your preferred consistency, either smooth or chunky. Taste and adjust seasoning with additional salt, garlic powder, or lime juice as needed.
  2. Build the Tostadas: Spread the mashed avocado evenly over the tostada shells. Top each with shredded cheddar cheese, a generous amount of pickled red onions, and chopped cilantro. Sprinkle with everything bagel seasoning if desired. Add hot sauce for extra heat, then serve immediately and enjoy.

Notes

  • For homemade tostada shells, refer to the Black Bean + Avocado Tostada recipe which includes instructions for baking your own tostada shells.
  • The use of Diamond Crystal kosher salt is recommended for optimal seasoning.
  • Adjust the garlic powder, lime juice, and salt to suit your personal taste preference.
  • These tostadas are best eaten fresh to preserve the crispiness of the tostada shells.
  • Author: Adeline
  • Prep Time: 10 minutes
  • Cook Time: 0 minutes
  • Category: Snack
  • Method: No-Cook
  • Cuisine: Mexican
  • Diet: Vegetarian