Onion tart

Delight your taste buds with this savory Onion Tart recipe! Featuring a flaky crust made with all-purpose flour and Parmigiano cheese, topped with caramelized red onions, sweet red pepper, and fragrant thyme, this dish is perfectly balanced with a hint of brown sugar and a touch of vinegar. Perfect for a cozy dinner or an impressive appetizer!

  • 21 Apr 2025
  • Cook time 60 min
  • Prep time 60 min
  • 8 Servings
  • 8 Ingredients

Onion tart

This delicious onion tart brings together the sweetness of caramelized red onions, the sharpness of parmesan cheese, and the aromatic touch of fresh thyme. It's a perfect appetizer or a light meal that combines simple ingredients into a sophisticated and tasty dish.

Ingredients:

1.50 cups all-purpose white wheat flour
190g
3/4 cup grated parmesan cheese
60g
1/2 cup olive oil
120g
2 red onions
320g
1 red pepper
80g
1 tbsp fresh thyme
16g
2 tsp brown sugar
6g
2 tbsp vinegar
30g

Instructions:

1. Preheat Oven:
Preheat your oven to 375°F (190°C).
2. Prepare the Crust:
- In a medium mixing bowl, combine the all-purpose white wheat flour and grated parmesan cheese.
- Gradually add the olive oil while mixing until the dough comes together. If the dough is too crumbly, you can add a small amount of cold water, a teaspoon at a time, until it holds together.
- Press the dough evenly into the bottom and up the sides of a tart pan. Use your fingers to smooth it out.
- Prick the bottom of the crust with a fork several times to prevent it from bubbling up during baking.
- Bake the crust in the preheated oven for about 10-12 minutes, or until lightly golden. Remove and set aside.
3. Prepare the Filling:
- While the crust is baking, peel and thinly slice the red onions. Cut the red pepper into thin strips.
- Heat a large skillet over medium heat and add a tablespoon of olive oil.
- Add the sliced onions and red peppers to the skillet. Cook, stirring occasionally, until they start to soften, about 5-7 minutes.
- Sprinkle the brown sugar over the onion mixture and continue to cook, stirring occasionally, until the onions are caramelized and golden brown, about 15-20 minutes.
- Stir in the fresh thyme and vinegar, cooking for an additional 2-3 minutes. Season with salt and pepper to taste. Remove from heat.
4. Assemble the Tart:
- Spread the caramelized onion and pepper mixture evenly over the pre-baked tart crust.

5. Bake the Tart:
- Return the assembled tart to the oven and bake for an additional 15-20 minutes, or until the edges of the crust are golden and the filling is set.
6. Serve:
- Remove the tart from the oven and let it cool slightly before slicing.
- Serve warm or at room temperature.

Tips:

- Use cold olive oil to make the dough for a flakier texture.

- Slice the onions and red pepper thinly for even cooking.

- Caramelize the onions slowly over low heat to bring out their natural sweetness.

- Use a tart pan with a removable bottom for easier serving.

- Let the tart cool slightly before cutting to ensure clean slices.

In just a few steps, you've created a beautiful and flavorful onion tart that is sure to impress. This dish is not only a feast for the eyes but also a delight for the taste buds, combining savory and sweet flavors that make it a standout option for any meal. Enjoy your culinary creation!

Nutrition Facts
Serving Size100 grams
Energy
Calories 140kcal7%
Protein
Protein 6g4%
Carbohydrates
Carbohydrates 24g7%
Fiber 2.06g5%
Sugar 3.54g4%
Fat
Fat 18g21%
Saturated 3.32g11%
Cholesterol 7mg-
Vitamins
Vitamin A 33ug4%
Choline 7mg1%
Vitamin B1 0.10mg8%
Vitamin B2 0.05mg3%
Vitamin B3 0.52mg3%
Vitamin B6 0.10mg6%
Vitamin B9 18ug5%
Vitamin B12 0.10ug4%
Vitamin C 16mg18%
Vitamin E 0.22mg1%
Vitamin K 0.85ug1%
Minerals
Calcium, Ca 90mg7%
Copper, Cu 0.08mg9%
Iron, Fe 0.46mg4%
Magnesium, Mg 16mg4%
Phosphorus, P 100mg8%
Potassium, K 160mg5%
Selenium, Se 8ug14%
Sodium, Na 130mg9%
Zinc, Zn 0.69mg6%
Water
Water 55g-
* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

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