2
In slow cooker, spread about 1 1/4 cups of the Alfredo sauce. Layer with 3 of the noodles (breaking as needed to fit), 1 cup of the chicken, one-third of the spinach, one-third of the tomatoes, one-third of the ricotta mixture and one-third of the cheese blend. Repeat layers twice. Sprinkle with remaining 1/2 cup Parmesan cheese.