Spinach Alfredo Lasagna

• 12 oz. Lasagna noodles
• 1 lb. Pork sausage
• 1 (10 oz) pkg. frozen chopped spinach, thawed and well drained
• 1 (17 oz.) jar Alfredo sauce
• 1/2 t. Salt
• 1/4 t. Pepper]
• 1 Egg
• 2 c. Shredded cheddar cheese
• 1 (15 oz) ctn. Ricotta cheese
• 1/2 c. grated Parmesan cheese
• 1 c. shredded Mozzarella cheese

Soak the noodles in hot water for 15 minutes.  Drain and set aside.  Brown the sausage and drain.  Add the spinach, Alfredo sauce, salt and pepper to the sausage.  In a bowl, combine the egg, cheddar, ricotta and Parmesan cheeses. Preheat oven to 350 degrees. In an ungreased 9x13 baking dish, layer a third of the sausage mixture, the noodles and the cheese mixture.  Repeat twice.  Sprinkle with the mozzarella cheese.  Cover and bake for 45 minutes.  Let stand 15 minutes before serving.