Quiche à l’oignon

Ingredients

• •1 1/4 cups all-purpose flour
• •1/2 teaspoon kosher salt
• •1/3 cup olive oil or other neutral oil
• •3 tablespoons cold water
• •4 large onions, thinly sliced
• •2 tablespoons oil
• •3 large eggs
• •1/2 teaspoon black pepper
• •1/4 teaspoon grated nutmeg
• •1 tablespoon flour or matzo meal for thickening

Instructions

1. 1

   Preheat the oven to 375°F (190°C).

2. 2

   Mix the flour and salt for the crust, then stir in the oil and cold water until a dough forms.

3. 3

   Press the dough into a tart pan and chill it while preparing the filling.

4. 4

   Heat the oil in a wide pan and cook the sliced onions slowly until soft, pale golden, and sweet, about 20 minutes.

5. 5

   Let the onions cool slightly, then mix them with the eggs, pepper, nutmeg, and flour or matzo meal.

6. 6

   Spread the onion filling into the prepared crust.

7. 7

   Bake until the filling is set and the crust is lightly browned, 35 to 45 minutes.

8. 8

   Cool for at least 10 minutes before slicing and serving warm or at room temperature.