Gluten Free Mushroom Tostadas

Delicious gluten free toasted tortilla as the main base with mushroom, jalapeno and onion.
5 from 1 vote
Prep Time 10 minutes
Cook Time 10 minutes
Course Lunch, Snack
Cuisine Mexican
Servings 3


  • 1 small red onion quartered and sliced
  • 4 tbsp white wine vinegar 
  • 1 tsp salt
  • 2 tsp sugar
  • 1 large jalapeno sliced
  • 1 handful fresh coriander roughly chopped
  • 1 large avocado diced
  • 400 g portobello mushrooms (6 medium portobello mushrooms)
  • 2 tbsp taco / fajita / Mexican spice mix 
  • 6 fresh white or yellow corn tortillas

For serving

  • 125 ml crème fraîche
  • 100 g feta cheese
  • 1 lime cut into wedges
  • salt and pepper to taste


  • Place the red onion, vinegar, salt and sugar in a bowl.
    Mix to combine and set aside.
  • Prepare the vegetable toppings.
    Preheat the oven on grill.
  • Brush the tortillas on both sides with a little olive oil.
    Place on a baking tray and grill until lightly charred and crisp, turning half way through to cook both sides.
  • Season the portabellos with olive oil and the taco spice.
    Use the same baking tray as the tortillas and grill them, turning them halfway through until lightly charred and cooked through. About 5 minutes.
    Allow to rest, then slice.

To assemble the tostadas:

  • Spread a dollop of crème fraîche onto the base of each crispy tortilla.
    Top with mushrooms, quick pickled onions, avocado, jalapeño slices and coriander.
  • Crumble a little feta over the top of each tostada.
    Finish each tostada with a squeeze of fresh lime juice just before serving and enjoy!
Keyword gluten free, mexican