Three-Onion Quiche

10 ingredients
6 steps

Ingredients

  • 1 sheet refrigerated pie dough for a 9-in. pie shell*
  • 1 tablespoon butter
  • 3 medium leeks (white and light green parts), thinly sliced and rinsed well
  • 2 bunches green onions, trimmed and thickly sliced
  • 1/2 medium red onion, cut into thin half-moons
  • 1 teaspoon kosher salt, divided
  • 1 cup half-and-half
  • 1 tablespoon flour
  • 3 large eggs
  • 2 cups shredded sharp white cheddar cheese*

Directions

  1. 1
    Preheat oven to 425°. Unroll pie dough into a 9-in. pie pan. Crimp edge. Line dough with parchment paper, fill with pie weights or dried beans, and bake until light golden, about 15 minutes. Remove paper and weights.
  2. 2
    Melt butter in a large frying pan over medium heat. Add leeks, green and red onions, and 1/2 tsp. salt. Saute until very tender but not browned, about 20 minutes.
  3. 3
    Whisk half-and-half gradually into flour in a medium bowl until smooth. Whisk in remaining 1/2 tsp. salt and eggs until blended. Stir in cheese and three-quarters of onion mixture and pour into pie shell. Sprinkle remaining onions over quiche.
  4. 4
    Bake until a knife inserted in center comes out clean, 20 to 30 minutes; cover edges with foil if they begin to darken. Let sit 10 minutes, then cut into wedges.
  5. 5
    *We especially like Pillsbury pie dough. Look for Beecher's Flagship cheddar cheese sold at specialty shops.
  6. 6
    Note: Nutritional analysis is per serving.

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