Pasta with Preserved Lemon and Anchovies

Name: Pasta with Preserved Lemon and Anchovies
Ingredients: Kosher salt and freshly ground pepper; 12 ounces long pasta, such as spaghetti or linguine; ¼ cup extra-virgin olive oil, plus more for serving; 2 tablespoons minced garlic (from 5 to 6 cloves); 2 tablespoons minced oil-packed anchovies (from 6 to 8); ¼ cup chopped preserved lemon (from about ½ store-bought preserved lemon); ¾ cup coarsely chopped flat-leaf parsley, plus whole leaves for garnish; 1 ounce Parmigiano-Reggiano, finely grated (½ cup packed), plus more for serving