Caramelized Onion Tart Recipe

Caramelized Onion Tart Recipe

Picture this: a golden-brown masterpiece that teases the senses with the rich aroma of caramelized onions dancing in buttery goodness, encased in a flaky, golden pastry. This Caramelized Onion Tart Recipe is a symphony of flavors that will transport you to culinary heaven.


  • 2 large onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 1 sheet puff pastry, thawed
  • 1 cup Gruyere cheese, shredded
  • Salt and pepper to taste


  1. Caramelize the onions in butter over medium-low heat until golden and sweet.
  2. Roll out the puff pastry and transfer it to a baking sheet.
  3. Sprinkle half of the cheese over the pastry, leaving a border.
  4. Spread the caramelized onions over the cheese and top with the remaining cheese.
  5. Bake in a preheated oven at 375°F (190°C) for 25-30 minutes or until golden and bubbly.
  6. Remove from the oven, let it cool slightly, and slice into squares.

Prep Time: 15 minutes | Cook Time: 30 minutes | Total Time: 45 minutes

Yield: 6 servings

Indulge in the savory sweetness of our Caramelized Onion Tart, a dish that marries the simplicity of onions with the decadence of Gruyere, all nestled in a buttery puff pastry. Perfect for any occasion, this tart is a celebration of flavor and texture.

Nutritional Information: Calories per serving – 320 | Fat – 22g | Carbohydrates – 24g | Protein – 8g

make a story conclusion of at least 200 to 300 words about the recipe Caramelized Onion Tart Recipe
Picture yourself in a cozy kitchen, the air filled with the irresistible scent of caramelized onions mingling with the buttery aroma of a baking masterpiece. Our Caramelized Onion Tart Recipe is not just a dish; it’s a journey into culinary delight.
As you caramelize those onions to golden perfection, you’ll feel a sense of anticipation building. The kitchen becomes a canvas, and each layer added – the puff pastry, the Gruyere cheese – is a stroke of culinary artistry.
The oven’s warmth envelops the tart, turning it into a symphony of textures and flavors. When you take that first bite, the crunch of the golden pastry gives way to the creamy richness of the cheese, all elevated by the sweet undertones of the caramelized onions. It’s a flavor profile that lingers on your palate, creating a culinary memory you’ll want to recreate again and again.
This Caramelized Onion Tart is not just a recipe; it’s a story told through layers of ingredients and a journey through the alchemy of cooking. Whether you serve it as an appetizer for guests or indulge in it on a quiet evening, this tart is a testament to the magic that happens when simple ingredients come together in perfect harmony.
So, gather your ingredients, preheat that oven, and embark on a culinary adventure with our Caramelized Onion Tart. Let the aroma fill your kitchen and the taste transport you to a place where every bite is a moment to savor.

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Hi! I’m Margaret!

A passionate home cook and food lover who loves nothing more than sharing my favourite recipes with the world.




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