Beat eggs, add the spinach and then add the mozzarella cheese.
In a 9 X 13 pan, layer in this order:
Spaghetti sauce
Uncooked lasagna noodles
Spinach mixture
Repeat ending with spinach mixture.
Grease a piece of tin foil and cover pan lightly. Bake for 1 hour. Remove foil. Sprinkle with remaining 1/3 saved cheese. Bake for another 15 minutes uncovered.
