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French Onion Crustless Quiche Recipe: A Cozy, Elegant Breakfast Classic


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  • Author: Diva
  • Total Time: 50 mins
  • Yield: 4 servings

Description

A rich and savory crustless quiche packed with caramelized French onions, eggs, cream, and cheese—perfect for a low-carb breakfast, brunch, or light dinner.


Ingredients

  • 3 large onions, thinly sliced
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 4 large eggs
  • 1 cup heavy cream
  • 1 cup shredded Gruyère cheese
  • 1/4 tsp dried thyme
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • Optional: 1 tbsp balsamic vinegar (for deglazing)


Instructions

  1. Preheat the oven to 350°F (175°C). Grease a pie dish or baking dish.
  2. Heat butter and olive oil in a skillet over medium heat. Add sliced onions and cook slowly until golden and caramelized, about 20–25 minutes. Deglaze with balsamic vinegar if using.
  3. In a bowl, whisk together eggs, heavy cream, salt, pepper, and thyme.
  4. Spread caramelized onions evenly in the greased dish and sprinkle Gruyère cheese on top.
  5. Pour the egg mixture over the onions and cheese.
  6. Bake for 30–35 minutes, or until the center is set and the top is lightly golden.
  7. Let cool for 5–10 minutes before slicing and serving.

Notes

  • For extra flavor, add a splash of white wine while caramelizing the onions.
  • Substitute Gruyère with Swiss or mozzarella if preferred.
  • This quiche reheats well and can be frozen.
  • Prep Time: 15 mins
  • Cook Time: 35 mins
  • Category: Breakfast, Brunch
  • Method: Baking
  • Cuisine: French