"A close-up of a golden-brown tart topped with caramelized balsamic onions, mushrooms, and crumbled blue cheese."

Balsamic Onion, Mushroom & Blue Cheese Tarts


"A close-up of a golden-brown tart topped with caramelized balsamic onions, mushrooms, and crumbled blue cheese."

Balsamic Onion, Mushroom & Blue Cheese Tarts

Tarts with Balsamic Onion, Mushrooms, and Blue Cheese are exquisite appetizers that mix rich and savory flavors.
The flaky pastry shell of these tarts is filled with a delectable mixture of caramelized balsamic onions and sautéed mushrooms, producing a great balance of sweet and earthy flavors.
The crumbled blue cheese is the dish's crowning glory, adding a robust and creamy texture while balancing the sweetness of the onions and the umami of the mushrooms.
These tarts are baked to golden perfection and offer a pleasant contrast of textures and a harmonizing blend of flavors, making them a delightful addition to any gourmet dinner or a spectacular hors d'oeuvre.
Prep Time 55 minutes
Cook Time 55 minutes
Servings 11
Calories 209.8 kcal


  • Ingredients Required


  • 1 tablespoon extra virgin olive oil
  • 2 tbsp. melted butter
  • 1 big finely sliced red onion
  • 1 tablespoon sugar
  • two tbsp balsamic vinegar
  • 1 1/4 cup finely sliced cremini mushrooms
  • 12 1/2 ounces pre-rolled refrigerated pie dough
  • 1 egg
  • 1/2 cup sour cream lower fat is good
  • 1 tsp salt
  • 1 tsp freshly ground pepper
  • a half teaspoon of dried parsley
  • 2 1/2 ounces blue cheese preferably a squidgy variation


Directions to Prepare
Preheat the oven to 400°F.
Heat 1 tablespoon olive oil and 1 tablespoon butter in a pan over medium heat.
When the butter begins to foam, add the thinly sliced red onions and reduce the heat to low.
Cook, stirring frequently, until the onions are transparent.
This should just take a few minutes, but keep an eye on them.
Cook the onions in the sugar and balsamic vinegar for about 10 minutes, stirring frequently, until the onion mixture is sticky and the liquid has thickened.
Set aside the onions to cool.
In a separate pan, melt the remaining butter and sauté the mushrooms for a few minutes, or until they begin to change color.
Set aside the mushrooms to cool.
Lay out the pie crust while the onions and mushrooms cool. The dough should be roughly the thickness of a pinkie.
Roll out the pre-rolled dough to the required thickness if it is thicker.
Cut out 12 rounds of dough with a round cookie cutter or a glass.
Each ball of dough should be pressed into a hole in a 12-yield muffin tray.
If your pan is prone to sticking, spray each hole with cooking spray ahead of time.
Next, combine the egg and sour cream in a mixing dish with the salt and pepper.
Stir in the dried parsley and blue cheese crumbles. Place aside.
Fill each tart with a spoonful of balsamic onions.
Cover as much of the surface of the onions as possible with the mushrooms.
Top each tart with a spoonful of the blue cheese mixture.
Bake the tarts for about 15 minutes, or until the crust has turned golden and the cheese mixture has set.
Remove from the oven and set aside to cool before serving so the cheese mixture can firm up a little.
What are Balsamic Onion, Mushroom, and Blue Cheese Tarts?
Balsamic Onion, Mushroom, and Blue Cheese Tarts are savory pastries or tartlets with a flaky pastry crust and a filling of caramelized balsamic onions, sautéed mushrooms, and creamy blue cheese.
How do I make Balsamic Onion, Mushroom, and Blue Cheese Tarts at home?
To create these tarts, bake a pastry crust or use pre-made pastry sheets, sauté sliced mushrooms, and caramelized onions with balsamic vinegar, fill the dough with the mixture, and top with crumbled blue cheese.
After that, the tarts are baked till golden brown.
What kind of pastry is best for these tarts?
Balsamic Onion, Mushroom, and Blue Cheese Tarts are best made using puff pastry or shortcrust dough.
You can either buy pre-made pastry sheets or make your own from scratch.
Can I make these tarts in advance and reheat them?
Yes, you can make these tarts ahead of time and then reheat them in the oven or microwave when ready to serve.
Keep in mind, though, that the pastry may not be as crispy when reheated.
What are some possible changes to this recipe?
You may add extra flavor to these tarts by adding items like spinach, bacon, or caramelized garlic.
You can also try several types of cheese to see what you like.
Are Balsamic Onion, Mushroom, and Blue Cheese Tarts vegetarian-friendly?
Yes, as long as you use a vegetarian-friendly dough (some may contain animal fats) and the cheese you use does not contain rennet or any animal-derived enzymes, these pies are vegetarian.
What occasions are these tarts suitable for?
Balsamic Onion, Mushroom, and Blue Cheese Tarts are a flexible appetizer, snack, or main meal for brunch, lunch, or supper.
They're ideal for informal get-togethers, parties, and holiday festivities.
Balsamic Onion, Mushroom, and Blue Cheese Tarts are a culinary masterpiece with an outstanding blend of ingredients that tantalizes the taste receptors.
Balsamic onions, earthy mushrooms, and creamy blue cheese combine to produce a symphony of flavors and textures that elevate any dining experience.
These tarts, whether served as appetizers at a dinner party or as a savory snack, demonstrate the talent of mixing conflicting materials into a harmonious culinary delight.
These tarts, with their flaky pastry crust and powerful aromas, are a monument to the culinary innovation that can transform ordinary ingredients into gourmet sensations that leave a lasting impact on the palette.

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