Start by boiling lasagna noodles according to package instructions.
Spread 1/2 cup of sauce in the bottom of the baking dish
Lay out your noodles
Mix egg, ricotta, parmesan, and mozzarella in a medium bowl. Spoon 1/4 of the mixture over each noodle and top with a generous spoonful of meat sauce.
Roll and place seam side down in the baking dish
Bake 40 minutes at 375 and enjoy!