1 (15 oz) container low-fat ricotta cheese
1 (10 oz) package frozen chopped spinach, thawed and squeezed dry
½ cup diced onion
1 egg
2 tsp minced fresh parsley
½ tsp freshly ground black pepper
¼ tsp garlic powder
2 tsp light Italian dressing
1 cup shredded mozzarella cheese, divided
1/2 cup grated Parmesan cheese, divided
1 (25 oz) jar Just Like Home  Buttery Marinara sauce
1/2 cup water
1 (8 oz) package manicotti shells

Preheat oven to 350 degrees
In a large bowl, combine ricotta, onion, egg & spinach.
Season with parsley, pepper and garlic powder. Mix 3/4 cup of mozzarella and 1/4 cup Parmesan. In a separate bowl, stir together spaghetti sauce, Italian dressing and water.
In a 9×13 baking dish, spread 1 cup sauce evenly across the bottom.  Stuff uncooked manicotti shells with spinach and ricotta mixture, arrange in a single layer over the sauce in the dish. Cover with remaining sauce. Sprinkle with remaining mozzarella and Parmesan and leftover chopped fresh parsley.
Bake for 45-50 minutes, or until noodles are cooked all the way through.