Ingredients:
- 1/4 cup good olive oil
- 1 cup chopped yellow onion
- 3 scallions, white and green parts, chopped
- 2 (10-ounce) packages frozen chopped spinach, defrosted
- 4 extra-large eggs, lightly beaten
- 3 tablespoons freshly grated Parmesan cheese
- Plain dry bread crumbs
- 1 teaspoon grated nutmeg
- 2 teaspoons kosher salt
- 1 teaspoon freshly ground black pepper
- 2 cups small-diced feta cheese (12 ounces)
- 3 tablespoons toasted pine nuts
- 24 sheets frozen phyllo dough, defrosted
- 1/4 pound (1 stick) unsalted butter, melted
- Flaked sea salt, such as Maldon, for sprinkling