Preheat oven to 350 degrees F.
In a large skillet, sauté spinach, onion, mushrooms, oregano, basil, and garlic in oil. Add spaghetti sauce and simmer 20 minutes.
In a large bowl mix cottage cheese, 1 c. mozzarella cheese, Parmesan cheese, parsley, salt, pepper and eggs.
Place small amount of sauce in bottom of 9x13 pan. Place three cooked noodles on top of sauce. Top with more sauce and 1/3 of cheese mixture.
Repeat layers of noodles, cheese mixture and sauce until layers are finished, ending with sauce.
Sprinkle 1 c. mozzarella cheese over top.
Cover with foil and bake for 40 minutes. Remove foil and bake another 15 minutes or until cheese starts to brown. Let stand 10 minutes before serving.