Preheat oven to 350 degrees F.
Cook spinach, drain well. Heat oil and saute onions, garlic and mushrooms until onions are soft. Add sauce and seasonings; simmer for 5-10 minutes.
Cook noodles 15 minutes in 2 quarts boiling water. Mix cottage and Parmesan cheese until smooth.
In an 8 1/2″ x 12″ pan, layer 3 noodles, 1/2 spinach, 1/2 cottage cheese mixture, 1/3 sauce and 1/3 mozzarella. Repeat layers.
Bake 30-35 minutes. Let stand 3 minutes before serving.
Servings: 6 servings