Caramelized Onion Quiche Recipe

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This caramelized onion quiche is a savory dish that combines rich flavors of sweet, slow-cooked onions with creamy custard in a flaky crust. It’s perfect for brunch, lunch, or a light dinner.

The recipe is simple and can be customized with additional ingredients like cheese, herbs, or vegetables to enhance the flavor.

Understanding the Quiche

Quiche is a classic dish that hails from France, known for its versatility and rich flavors. The base of a quiche typically consists of a flaky pastry crust filled with a savory custard made from eggs and cream.

This particular version features caramelized onions, which add a sweet and savory depth to the dish. The combination of creamy custard and tender onions creates a delightful texture that is both satisfying and comforting.

Preparing the Crust

The crust is a vital component of any quiche. You can either opt for a pre-made pie crust or create your own from scratch.

If making your own, ensure that the dough is rolled out evenly and fits snugly into the pie dish. Pricking the bottom with a fork before pre-baking helps to prevent bubbling, ensuring a perfectly baked foundation for your quiche.

Caramelizing the Onions

Caramelizing onions is a process that transforms their natural sugars into a rich, golden brown flavor.

Start by heating olive oil and butter in a skillet over medium heat. Add the sliced onions and stir occasionally, allowing them to cook slowly. This process takes about 20-25 minutes, but the result is well worth the wait. Seasoning with salt and pepper enhances their flavor, making them a star ingredient in the quiche.

Mixing the Custard

The custard mixture is where the magic happens. Whisk together eggs and cream until fully combined, adding a pinch of salt and pepper for seasoning.

This mixture binds the ingredients together and creates a creamy filling that complements the caramelized onions beautifully. The ratio of eggs to cream can be adjusted based on your preference for richness.

Assembling the Quiche

Once the crust is prepared and the onions are caramelized, it’s time to assemble the quiche.

Spread the caramelized onions evenly over the crust, then pour the egg mixture on top. Finally, sprinkle shredded cheese over the filling for an extra layer of flavor and a delightful melt. Baking the quiche until golden brown ensures a satisfying finish.

Serving Suggestions

After baking, allow the quiche to cool slightly before slicing. This helps the filling set, making it easier to serve.

Garnish with fresh herbs for a pop of color and added flavor. Pairing the quiche with a light salad creates a balanced meal, perfect for brunch or a casual dinner. Enjoy this savory dish warm or at room temperature, making it a versatile option for any occasion.

Delicious Caramelized Onion Quiche

A golden caramelized onion quiche in a flaky crust, garnished with herbs, served on a wooden table.

This quiche features a buttery crust filled with caramelized onions, eggs, and cream, baked until golden and set. The preparation takes about 1 hour and serves 6 people.

Ingredients

  • 1 pre-made pie crust or homemade pie dough
  • 3 large onions, thinly sliced
  • 2 tablespoons olive oil
  • 1 tablespoon butter
  • 4 large eggs
  • 1 cup heavy cream or milk
  • 1 cup shredded cheese (such as Gruyère or cheddar)
  • Salt and pepper to taste
  • Fresh herbs (like thyme or parsley) for garnish, optional

Instructions

  1. Preheat the Oven: Preheat your oven to 375°F (190°C).
  2. Caramelize the Onions: In a large skillet, heat the olive oil and butter over medium heat. Add the sliced onions and cook, stirring occasionally, until they are soft and caramelized, about 20-25 minutes. Season with salt and pepper.
  3. Prepare the Crust: If using a homemade crust, roll it out and fit it into a pie dish. Prick the bottom with a fork and pre-bake for 10 minutes.
  4. Mix the Custard: In a bowl, whisk together the eggs, cream, and a pinch of salt and pepper until well combined.
  5. Assemble the Quiche: Spread the caramelized onions evenly over the pre-baked crust. Pour the egg mixture over the onions and sprinkle the shredded cheese on top.
  6. Bake: Bake in the preheated oven for 30-35 minutes, or until the quiche is set and the top is golden.
  7. Cool and Serve: Allow the quiche to cool for a few minutes before slicing. Garnish with fresh herbs if desired and serve warm or at room temperature.

Cook and Prep Times

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Servings: 6 slices
  • Calories: 320kcal
  • Fat: 25g
  • Protein: 10g
  • Carbohydrates: 18g