Irresistible Caramelized Onion and Mushroom Quiche

If you’re seeking a mouthwatering dish that effortlessly combines savory flavors and a buttery, flaky crust, look no further than our Irresistible Caramelized Onion and Mushroom Quiche. This delectable recipe is a harmonious dance of caramelized onions, sautéed mushrooms, and a rich custard filling that’s bound to captivate your taste buds.

  • 1 pre-made pie crust
  • 2 large onions, thinly sliced
  • 1 cup mushrooms, sliced
  • 3 tablespoons butter
  • 3 large eggs
  • 1 cup heavy cream
  • 1 cup gruyere cheese, shredded
  • Salt and pepper to taste
  • Fresh thyme leaves for garnish


  1. Saute the sliced onions in 2 tablespoons of butter over medium-low heat until they caramelize to a golden brown. This will take about 25-30 minutes. Set them aside.
  2. In the same pan, melt the remaining butter and sauté the mushrooms until they are tender and any liquid has evaporated.
  3. Preheat your oven to 375°F (190°C).
  4. In a bowl, whisk together the eggs, heavy cream, salt, and pepper.
  5. Place the pre-made pie crust in a pie dish. Sprinkle half of the shredded gruyere cheese over the crust.
  6. Spread the caramelized onions and sautéed mushrooms evenly over the cheese.
  7. Pour the egg mixture over the onions and mushrooms.
  8. Sprinkle the remaining gruyere cheese on top.
  9. Bake in the preheated oven for 30-35 minutes or until the quiche is set and the top is golden brown.
  10. Once done, let it cool slightly before slicing.
  11. Garnish with fresh thyme leaves and serve warm.

Prep time: 15 minutes

Yields: 6 servings

A savory masterpiece, our Caramelized Onion and Mushroom Quiche combines the sweetness of caramelized onions with the earthiness of sautéed mushrooms, all nestled in a flaky crust.

Nutritional information: Calories: 320 | Fat: 24g | Carbohydrates: 15g | Protein: 11g

Indulge in the exquisite medley of flavors that this quiche offers. Each forkful takes you on a journey through the rich, melt-in-your-mouth custard, the sweetness of the caramelized onions, and the umami goodness of the mushrooms. Whether served for breakfast, brunch, or a light dinner, this quiche stands as a testament to the artistry that can be achieved in the kitchen. Share it with loved ones and let the indulgence begin!

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