Heat oven to 350 degrees.
Mix ricotta, 1 cup mozerella, egg, oregano, and garlic together in a bowl and set aside. Mixed together cooked spinach and ground turkey.
In a large baking dish, spread about a tablespoon of sauce on the bottom of the pan. Place 1 layer of no boil noodles. Spread out 1/3 of the turkey and spinach mixture, spread 1/3 of the cheese mixture evenly, and pour more Alfredo sauce until covered. Repeat until your accomplish 3 layers.
Sprinkle remaining mozzerella cheese over it and bake covered until it starts to boil. Remove the foil for the last 15 minutes of cooking so the cheese can brown slightly.