Caramelized Onion & Mushroom Quasadillas

Delicious, delicious, delicious! Tastes so so good. The original recipe called for refried beans but I opted out and used a vegan tzatziki sauce instead… suffice to say it turned out better than expected. 

Calories per serving: 275 (including tortilla)

Serves: 3-4


  • 2 tbsp olive oil
  • 3 large onions, sliced
  • 2 8oz containers of baby bella’s, sliced
  • 1 tsp sugar
  • Salt and pepper, to taste
  • 3-4 whole wheat tortillas
  • Tzatziki sauce (Recipe here: Easy Vegan Tzatziki Sauce)


  1. Start by sautéing the onions on low heat, this will take 30-40 minutes until they reach a deep caramel colour.
  2. Stir often, checking to see if they need more oil to avoid from burning.
  3. Add 1 tsp of sugar to help deepen the colour, and salt & pepper, to taste.
  4. 30 minutes in, add the mushrooms and let them release their liquid (10 more minutes)
  5. Wipe out the skillet and keep over low heat.
  6. Add 1 tbsp of tzatziki sauce on one side of a whole wheat tortilla.
  7. Add the mushroom and onion mixture on the other side.
  8. Allow the tortilla to crisp about 1-2 minutes.
  9. Add spinach on the side with the mushrooms and allow to crisp 1 more minute.
  10. Flip the tortilla over and place on a plate, cutting it in two.
  11. Serve!

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