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Caramelized Onion Tart
Created by: Howcan Team
Ingredients
- 1 sheet of frozen puff pastry, thawed
- 4 large onions, thinly sliced
- 2 tablespoons of butter
- 1 tablespoon of olive oil
- 1 teaspoon of sugar
- 1/2 teaspoon of salt
- 1/4 teaspoon of black pepper
- 1/2 cup of grated Gruyere cheese
- 1/4 cup of grated Parmesan cheese
- 1 tablespoon of fresh thyme leaves
Instructions
- Preheat the oven to 400°F (200°C).
- Roll out the puff pastry on a lightly floured surface and transfer it to a parchment-lined baking sheet. Prick the pastry all over with a fork, leaving a 1-inch border around the edges. Place in the refrigerator to chill while preparing the onions.
- In a large skillet, melt 2 tablespoons of butter with 1 tablespoon of olive oil over medium heat. Add the thinly sliced onions and cook, stirring occasionally, for about 10 minutes until they start to soften.
- Sprinkle the onions with 1 teaspoon of sugar, 1/2 teaspoon of salt, and 1/4 teaspoon of black pepper. Continue to cook, stirring occasionally, for another 20-25 minutes until the onions are deeply golden and caramelized. Remove from heat and let cool slightly.
- Remove the chilled puff pastry from the refrigerator. Sprinkle the grated Gruyere cheese evenly over the pastry, leaving the 1-inch border bare. Spread the caramelized onions over the cheese, then sprinkle with grated Parmesan cheese and fresh thyme leaves.
- Bake the tart in the preheated oven for 20-25 minutes, or until the pastry is golden and the cheese is bubbly and lightly browned.
- Allow the tart to cool for a few minutes before slicing and serving. Enjoy warm or at room temperature.
The caramelized onion tart, a classic French dish, has a rich history dating back to medieval times. This savory tart features a buttery, flaky crust filled with sweet, caramelized onions, and often complemented with creamy cheese and fragrant herbs. Renowned chefs like Julia Child and Jacques Pépin have popularized this dish, and it has become a staple in French cuisine. Today, the best versions of this tart can be found in traditional French bistros and patisseries, particularly in the regions of Alsace and Burgundy. The key to a perfect caramelized onion tart lies in achieving perfectly caramelized onions and using high-quality cheese to enhance the flavors. For a twist, some chefs incorporate bacon or thyme for added depth of flavor. Whether enjoyed as an appetizer or a light meal, the caramelized onion tart continues to delight food enthusiasts worldwide.
65 min
8
280 calories
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