Caramelized Onion Quiche

By MystiQ

Ingredients

• 1 recipe pie dough (see Pâte Brisée recipe)
• 2 tablespoons olive oil
• 2-3 large red onions (about one pound total), sliced
• Salt and freshly ground pepper
• 1 teaspoon balsamic vinegar
• 1/2 cup milk
• 1/2 cup heavy cream
• 3 large eggs
• Pinch nutmeg
• 6 ounces Gruyère cheese, grated (1 1/2 cups)

Details

Servings 6
Adapted from simplyrecipes.com

Preparation

Step 1

Note that although this recipe calls for making a pie crust from scratch, you can easily use an already prepared frozen pie crust. Just pre-bake it using the directions that follow.

Preheat oven to 350°. Line pastry with parchment paper, wax paper, or aluminum foil, pressing into the corners and edges. Fill at least two-thirds with baking weights - dried beans, rice, or aluminum pie weights. Bake first for 15 minutes, remove from oven and let cool a few minutes. Carefully remove parchment paper and weights. Poke the bottom of the pie pan with the tines of a fork and return to oven and bake an additional 10 minutes or until lightly golden. (Fork holes are for any air to escape.) Transfer to a wire rack to cool while making filling.

Heat olive oil in a large, heavy-bottomed sauté pan on medium heat. Add the onions and sprinkle a little salt over them. Cook, stirring occasionally for 10 minutes, until the onions have softened and are translucent. Reduce the heat to medium low and cook for an additional 40 minutes, stirring occasionally, until the onions are well browned. Add balsamic vinegar and cook for 10 minutes more, until onions are completely caramelized. Remove from heat.

Place tart pan on a baking sheet to catch any run-off there might be. Sprinkle half the cheese evenly over the bottom of the crust. Spread onions over the cheese and then top with remaining cheese. In a medium bowl, whisk together milk, cream, and eggs. Season with nutmeg, salt, and pepper. Pour over cheese. Transfer to oven, and bake until just set in the center, 30 to 35 minutes. Cool on a wire rack for about 10-15 minutes before slicing.