Mouthwatering Caramelized Onion Tart

Mouthwatering Caramelized Onion Tart

If you’re looking for a savory treat that will tantalize your taste buds, our Mouthwatering Caramelized Onion Tart is the perfect choice. This delectable tart combines the rich flavors of caramelized onions, creamy cheese, and a flaky pastry crust. It’s a crowd-pleaser and a must-try for any food enthusiast.


  • 1 sheet of puff pastry
  • 3 large onions, thinly sliced
  • 2 tablespoons of olive oil
  • 1 cup of Gruyère cheese, grated
  • 2 tablespoons of fresh thyme leaves
  • Salt and pepper to taste


  1. Preheat your oven to 375°F (190°C).
  2. In a large skillet, heat the olive oil over medium-low heat. Add the thinly sliced onions and cook them slowly until they are soft, golden, and caramelized. This may take around 30-40 minutes. Stir occasionally to prevent burning.
  3. While the onions are caramelizing, roll out the puff pastry on a lightly floured surface to fit your tart pan. Prick the pastry with a fork to prevent it from puffing up too much while baking.
  4. Sprinkle half of the grated Gruyère cheese over the pastry.
  5. Once the onions are caramelized, spread them evenly over the cheese-covered pastry.
  6. Sprinkle the remaining Gruyère cheese over the caramelized onions and season with fresh thyme leaves, salt, and pepper.
  7. Bake in the preheated oven for 25-30 minutes or until the pastry is golden and the cheese is bubbly.
  8. Remove from the oven and let it cool for a few minutes before slicing and serving.

Prep Time: 15 minutes

Yield: 6 servings

Our Mouthwatering Caramelized Onion Tart is a delightful combination of sweet caramelized onions and savory Gruyère cheese, all nestled in a crispy puff pastry crust. It’s a perfect appetizer or light meal for any occasion.

Nutrition: Calories 320 | Fat 20g | Carbs 30g | Protein 8g

Whether you serve it as an appetizer or a light lunch, this tart will leave your guests craving for more. The sweetness of the caramelized onions, the creaminess of the cheese, and the flakiness of the pastry make it a truly mouthwatering experience. Try our Mouthwatering Caramelized Onion Tart today, and enjoy the rich flavors that will satisfy your cravings.