Flaky Mediterranean quiche filled with spinach, tangy feta, and creamy custard, ideal for brunch or a light meal.
1 tablespoon olive oil
1 small onion, finely chopped
2 cloves garlic, minced
5 cups fresh spinach, chopped
4 large eggs
1 cup whole milk
1/2 cup heavy cream
1 cup crumbled feta cheese
1/2 cup shredded mozzarella (optional)
1/4 teaspoon black pepper
1/2 teaspoon salt
1/4 teaspoon nutmeg
1 teaspoon dried oregano
1 teaspoon fresh dill or parsley, chopped
1 pre-made 9-inch pie crust (or homemade shortcrust)