In a 9x9 inch baking pan spread about ¼ cup of Parmesan Cheese sauce to coat pan.
Place three noodles on the bottom of the pan, trim to fit pan.
Spread butternut squash mixture on the noodles.
Add another layer of noodles.
Next spread in ricotta/spinach mixture.
Add the last layer of noodles.
Pour remaining parmesan cheese sauce over the top layer of noodles.
Add mozzarella cheese and remaining parmesan cheese to the top.
Bake in a preheated 350 degree F oven for 20-30 minutes or until cheese melts and is bubbly.