Creamiest Fall Ziti Recipe by Tasty

Name: Creamiest Fall Ziti Recipe by Tasty
Prep time: 10 min
Cook time: 45 min
Total time: 55 min
Cuisine: European, Italian, Mediterranean
Ingredients: nonstick cooking spray, for greasing; 2 ½ teaspoons kosher salt, divided, plus more for boiling; 1 small head cauliflower; 1 large red onion, cut into 1-in (2.54-cm) pieces; 1 tablespoon minced fresh sage, plus 1 tablespoon whole leaves, divided; 2 tablespoons fresh thyme, divided; 4 cloves garlic; 1 ½ tablespoons olive oil; 1 lb dried rigatoni pasta; 2 cans 15-ounce cans unsweetened pumpkin purée; 1 ¼ cups heavy cream; 1 tablespoon white wine vinegar; ½ teaspoon freshly ground black pepper; ¼ teaspoon ground nutmeg; 1 ½ cups ricotta cheese; 1 cup finely grated parmesan cheese; 4 cups kale, ribs removed, roughly chopped into 1-inch (2.54 cm) pieces; 4 cups shredded low-moisture mozzarella cheese