Creamy Pesto Baked Ziti

Heat oven to 375ºF. Bring large pot of water to boil over high heat. Add ziti and cook until al dente. Meanwhile, heat olive oil in large skillet over medium heat. Add sausage and cook until browned, using the back of a wooden spoon to break up sausage. Add onion and garlic and saute until tender. Stir in tomatoes and pesto. Simmer 10 min. Stir in cooking creme. Drain pasta; return to pot. Add spinach, meat sauce and 1-1/2 cups mozzarella cheese and stir to combine. Spoon into 3-qt. baking dish. Top with remaining 1/2 cup mozzarella and Parmesan. Bake until completely heated through and golden on top, about 20 min.