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Mushroom and Caramelized Onion Tart

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Mushroom and Caramelized Onion Tart

I was going over the recipes that I posted about last spring and I came across the asparagus and gruyere tart that I had enjoyed so much and it reminded me that I had wanted to try a mushroom version. These puff pastry based tarts are generally quick and easy to make and they have always been really good! I have been having fun playing with the toppings, both sweet and savoury and I was looking forward to the mushroom topping. For this version, I was thinking of slowly caramelized mushrooms and onions flavoured with some garlic and thyme and held together with some creamy and tangy blue cheese. Gorgonzola has to be my favorite blue cheese and it always goes well with mushrooms so it was my first choice for the this tart. Other than the time that it took to caramelize the onions and mushrooms, this tart came together easily and it turned out great! I just can’t seem to get enough mushrooms and this tart certainly went a long way towards satisfying my mushroom cravings. I will definitely be making this again and again.

Mushroom and Caramelized Onion Tart

Mushroom and Caramelized Onion Tart

Prep Time:20 minutes Cook Time:1 hour 15 minutes Total Time:1 hour 35 minutes Servings: 4
ingredients
  • 1 tablespoon olive oil
  • 1 large onion (sliced)
  • 1 tablespoon butter
  • 1 pound mushrooms (cleaned and sliced)
  • 1 clove garlic (chopped)
  • 1/2 teaspoon thyme (chopped)
  • salt and pepper to taste
  • 1/4 cup white wine (or broth)
  • 1 sheet puff pastry (thawed as directed on package)
  • 1/2 cup gorgonzola (crumbled)
  • 1 tablespoon oil
  • 1 handful parsley (chopped)
directions
  1. Heat the oil in a pan.
  2. Add the onion and cook until it starts to caramelize, about 20 minutes.
  3. Add the butter and let it melt.
  4. Add the mushrooms and saute until they start to caramelize, about 20 minutes.
  5. Add the garlic and thyme and saute until fragrant, about a minute.
  6. Season with salt and pepper.
  7. Add the wine, deglazed the pan and cook until it has evaporated.
  8. Roll the puff pastry out to a 16×10 inch rectangle.
  9. Score a line around the puff pastry 1 inch from the edge.
  10. Spread the mushrooms and gorgonzola over the middle of the puff pastry.
  11. Brush the outside inch of the pastry with the oil.
  12. Bake in a preheated 400F/200C oven until the a the pastry is golden brown, about 15-25 minutes.
  13. Garnish with the chopped parsley.
Similar Recipes:
Asparagus and Gruyere Tart
Strawberry Tart
Burgers Smothered in a Caramelized Onion, Mushroom and Blue Cheese Sauce
Caramelized Mushroom Quesadillas
Zucchini and Sun Dried Tomato Pesto Parmesan Tart
Mushroom and Feta Phyllo Pie
Green Bean, Mushroom and Caramelized Onion Tart
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Reader Interactions

Comments

  2. Richelle says

    This looks soooo good! I remember seeint the Asparagus one. Thanks for the reminder to try that and now this one! Great blog!

    Reply

  6. Memória says

    What a yummy tart!! Every time I make puff pastry, I make it with the intention of using it for desserts. Next time, I'm going to reserve some for this savory dish. Thanks for sharing!

    Reply

  10. msmeanie says

    Wow. This looks and sounds so good! I love all the ingredients – mushroom, caramelized onions, cheese and puff pastry. The combination sounds amazing.

    Reply

  14. brian_in_gib says

    Yet again, another scrumptious recipe! The only thing I'd change is the butter, but that's a personal thing. It looks delicious. Good effort.
    Greetings from Gibraltar.
    Brian

    Reply

  17. Joanne says

    Even though I only started liking mushrooms recently, I have been craving them lately as well! Love the combo with the caramelized onions and blue cheese.

    Reply

  36. Joel and Katrin says

    I just made this for dinner with a side salad-it was great. Thanks so much! The house smelled delish during the cooking process, and it was so simple with very few ingredients.

    Reply

  40. cmi says

    I tried this yesterday! I couldn't find puff pastry so I used pita bread and baked it for a few minutes. My kitchen smelled wonderful.

    Reply

  41. Hannah says

    Made this for myself and my vegetarian grandmother to have with Christmas dinner veggies. It was great and the blue cheese and mushrooms tasted amazing. Thank you for posting 🙂

    Reply

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