Combine ricotta cheese, Romano cheese, spinach, salt, oregano, basil, garlic, pepper and egg in a bowl. Mix well. Lay a single layer of lasagna noodles in bottom of a 9x13 baking dish. Spread one third of the cheese/spinach mixture over noodles. Sprinkle 1 C mozzarella cheese and 1/3 C Parmesan cheese on top. Spread 1 C tomato sauce over cheese. Repeat layering 2 times.