Preheat oven to 350 degrees.
Brown ground beef, onion and garlic until no pink remains. Drain and stir in 2 cups pasta sauce. Cook and drain lasagna noodles according to package directions.
In a small bowl, combine egg, spinach, cottage cheese, 1/2 cup parmesan cheese and 1 cup mozzarella cheese.
Lay out cooked lasagna noodles and divide cottage cheese mixture over noodles. Roll up.
Place 1 cup pasta sauce in a 9x13 dish. Place roll ups in dish and top with meat sauce. Cover with foil and bake 35 minutes.
Remove foil and top with remaining cheeses. Bake an additional 10 minutes or until