Bring water to a boil and add jumbo shells to water

Sauté onions, garlic until fragrant

Add beef, cook until browned

Remove shells and rinse with cool water - do not cook shells all the way

Add parsley, cook another 2-3 minutes

Thaw frozen spinach and squeeze out all water

Drain beef

Mix beef, spinach, Parmesan and 2 eggs in bowl with a little sauce

Add some sauce to bottom of pan to avoid sticking

Add mixture to shells and place in baking dish

Cover shells with sauce

Bake at 350 for 1 hour