Mushroom and Onion Veggie Tart

Are you looking for a delicious and satisfying vegetarian dish that will impress your friends and family? Look no further than this Mushroom and Onion Veggie Tart recipe! This savory tart is packed with flavorful mushrooms, caramelized onions, and a flaky crust that will leave everyone coming back for seconds. In this post, we will walk you through the steps to create this mouthwatering dish, from preparing the filling to baking the tart to perfection. Get ready to elevate your vegetarian cooking game with this delectable Mushroom and Onion Veggie Tart!


  • 1 sheet of puff pastry
  • 1 cup of sliced mushrooms
  • 1 large onion, thinly sliced
  • 1 tablespoon of olive oil
  • 1/2 teaspoon of salt
  • 1/4 teaspoon of black pepper
  • 1/2 teaspoon of dried thyme
  • 1/2 cup of shredded mozzarella cheese
  • 1/4 cup of grated Parmesan cheese
  • 1 tablespoon of chopped fresh parsley


  1. Preheat your oven to 400°F (200°C).
  2. Heat the olive oil in a skillet over medium heat.
  3. Add the sliced mushrooms and onions to the skillet and sauté until they are soft and caramelized, about 10 minutes.
  4. Season the mushrooms and onions with salt, pepper, and dried thyme. Remove from heat and set aside.
  5. Roll out the puff pastry sheet on a baking sheet lined with parchment paper.
  6. Sprinkle the shredded mozzarella cheese evenly over the puff pastry.
  7. Spread the sautéed mushrooms and onions over the cheese.
  8. Sprinkle the grated Parmesan cheese on top.
  9. Bake in the preheated oven for 20-25 minutes, or until the pastry is golden brown and crispy.
  10. Remove from the oven and let it cool for a few minutes before slicing.
  11. Sprinkle the chopped fresh parsley over the tart before serving.


This Mushroom and Onion Veggie Tart is a delicious and easy-to-make dish that is perfect for a light lunch or dinner. The combination of earthy mushrooms, sweet caramelized onions, and gooey cheese all wrapped in flaky puff pastry is sure to impress your family and friends. Try making this tart for your next gathering or as a special treat for yourself!