Persian Mixed-Herb and Feta Frittata
Serves 4 3 tablespoons extra-virgin olive oil 1 medium yellow onion, finely diced 1 garlic clove, grated or minced 1½ teaspoons kosher salt, plus more to taste ½ teaspoon ground cumin ½ teaspoon ground turmeric ½ teaspoon ground coriander 12 large eggs ¼ teaspoon freshly ground black pepper 1 cup chopped fresh parsley, plus more…