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Cheese & Caramelized Onion Quiche Recipe

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4.1 from 13 reviews

  • Author: Sara
  • Total Time: 4 hours (including cooling and chilling time)
  • Yield: 8 servings

Description

This Cheese & Caramelized Onion Quiche features a flaky phyllo dough crust filled with rich caramelized onions and a creamy cheese custard. Slow-cooked onions lend a deep, sweet flavor while the buttery phyllo layers provide a crisp, delicate base. Perfect for brunch, lunch, or a light dinner, this elegant yet approachable quiche pairs well with fresh greens or a simple salad.

Ingredients

Caramelized Onions

  • 1 large onion, chopped (about 1½ cups)
  • 1 tablespoon unsalted butter or ghee
  • 1 tablespoon olive oil
  • ¼ teaspoon kosher salt

Phyllo Crust

  • 8 sheets phyllo dough (9-by-13-inch sheets; if larger 13-by-18-inch, cut in half)
  • ¼ cup melted ghee or clarified butter

Filling

  • 6 large eggs
  • ¾ cup whole milk
  • ½ cup heavy cream
  • ½ cup crème fraîche
  • ½ teaspoon kosher salt
  • ¼ teaspoon freshly ground black pepper
  • ¼ teaspoon freshly ground nutmeg
  • 4½ oz cheese of your choice, shredded (about 1½ cups)

Instructions

  1. Caramelize the onions: Melt butter with olive oil in a large skillet over medium-low heat. Add chopped onions and salt. Cook slowly, stirring occasionally, until onions turn light golden brown and soft, about 40 to 50 minutes. If onions brown too quickly, the heat is too high. Set aside or refrigerate if making ahead.
  2. Prepare oven and baking surface: Position oven rack in the bottom third of the oven and place a baking stone or heavy metal baking sheet on it. Preheat oven to 375°F (190°C).
  3. Assemble phyllo crust: Lightly brush a 10-inch deep dish pie pan with melted ghee. Drape one sheet of phyllo dough into the pan, brushing it lightly and evenly with ghee, focusing on sides and edges. Keep remaining phyllo covered with plastic wrap and a damp towel to prevent drying out.
  4. Layer phyllo sheets: Repeat with remaining sheets, rotating them slightly to cover the pan evenly. Brush the last sheet with ghee and fold edges flush with the pan rim. Brush folded edges with extra ghee to seal.
  5. Blind bake the phyllo crust: Place a light weight, such as a 7-inch pie pan or pie weights, into the crust to avoid puffing. Place on the heated baking stone or sheet and bake for 10 minutes until edges start to color. Remove weights and bake 2-3 minutes more to dry the bottom. Let cool slightly.
  6. Reduce oven temperature: Lower oven temperature to 350°F (175°C) for baking the quiche.
  7. Prepare custard filling: In a blender, combine eggs, whole milk, heavy cream, and crème fraîche and blend on low speed until smooth. Alternatively, whisk thoroughly by hand. Stir in salt, pepper, and nutmeg.
  8. Assemble quiche: Scatter caramelized onions evenly over the par-baked phyllo crust. Sprinkle about 1¼ cups of shredded cheese over the onions. Gently pour the egg custard mixture over the top, then scatter the remaining cheese evenly.
  9. Bake the quiche: Bake for 45 to 55 minutes, until the edges are browned and puffed, and the center is just set but still slightly jiggly. A knife inserted near the center should come out clean. If edges brown too quickly, cover with foil.
  10. Cool and set: Remove from oven and place on a wire rack to cool completely to room temperature, about 1 to 2 hours. For best results, refrigerate covered for several hours or overnight to fully set before slicing.
  11. Reheat slices: To serve warm, place slices on a baking sheet and bake at 350°F (175°C) for 5 to 10 minutes until heated through and crust is crisp.

Notes

  • Caramelized onions can be prepared ahead and refrigerated for convenience.
  • Keep phyllo dough covered with plastic wrap and a damp towel to prevent drying out during assembly.
  • Use ghee or clarified butter for brushing phyllo to achieve crisp and flaky texture.
  • Choose your favorite shreddable cheese such as Gruyère, cheddar, or Swiss for different flavor profiles.
  • If crust edges brown too fast, shield with foil during baking to prevent burning.
  • Letting the quiche cool and set improves slicing and texture.
  • Prep Time: 1 hour
  • Cook Time: 1 hour 10 minutes
  • Category: Quiche
  • Method: Baking
  • Cuisine: French

Find it online: https://sarabaking.com/cheese-and-caramelized-onion-quiche-recipe/