Creamy Ziti Florentine

Name: Creamy Ziti Florentine
Ingredients: 1 pound dry ziti pasta; Salt and pepper , to taste; 2 tablespoons olive oil; 1 bunch scallions , whites and light green parts only, thinly sliced; 4 cups (about 4 ounces ) baby spinach leaves; 1/2 cup freshly grated Parmesan or Pecorino Romano, plus more for garnish; Zest of 1 lemon; 1 cup (about 8 ounces ) fresh ricotta; 1/2 cup loosely packed torn basil leaves; 1/4 cup chopped fresh parsley