Italian Style Lasagna

12 lasagna noodles, uncooked
2 T olive oil
1 lb Italian Sausage
1 onion
2 cloves garlic
1 24oz jar of marinara sauce
4 c ricotta cheese
1 large egg
1/2 c grated Parmesan cheese
2 c fresh spinach, lightly packed and chopped
2 cups shredded mozzarella
1 t dried oregano

Cook pasta and lightly oil, set aside. Preheat oven to 350.

Cook the sausage, crumbling it. Add onion and garlic and cook 4 min. Add marinara. Set aside.

Mix ricotta, egg, spinach and half of the Parmesan in a bowl.

Grease a 9x13 pan with olive oil. Spread 1 c of sauce mixture on the bottom. Top with 3 noodles.  Spread 1/4 of ricotta mixture on noodles, then 1 cup sauce mixture. Then 1/2 c of the shredded mozzarella.

Repeat noodles, cheesy mixture, sauce, cheese three more times.  Finish with Parmesan. Sprinkle with oregano.

Bake for 45 minutes.  Let stand 10 minutes before cutting.