Blended cottage cheese can be substituted for the ricotta cheese.Whipped cream cheese makes incorporating the cheese together much easier.
Mozzarella cheeseis best when shredded from a block, but if you are short on time feel free to use pre-shredded cheese.
Cook manicotti pasta shells just under al dente.
In a small skillet, brown 1 lb of Italian Sausage over medium heat. Add a jar of store-bought marinara.
Simmer on low heat for approximately 10 minutes. Remove from heat and set aside.
To make the filling, add ricotta cheese, whipped cream cheese, Parmesan cheese, salt, pepper, Italian seasoning, egg, and the wilted spinach to a small bowl and mix until the ingredients are incorporated.