Inside Out Ravioli

1 pound ground beef
1/2 cup chopped onion
1 minced clove garlic
4 cups spaghetti sauce with mushrooms
1 (10 ounce) package frozen spinach
2 cups small shell macaroni
1 cup shredded Mozzarella cheese
1/2 cup shredded American or Mozzarella cheese
1/2 cup Parmesan cheese
1 cup seasoned Italian bread crumbs
2 eggs, well beaten
1/4 cup olive oil

Cook ground beef, onion and garlic in skillet until brown and crumbly. Add sauce. Cook for one hour.

Cook spinach, drain. Cook macaroni, drain. Combine macaroni, spinach, 1 cup cheese, bread crumbs, egg and oil. Mix well. Spread in oiled 9 x 13-inch baking pan. Top with ground meat and 1/2 cup American or Mozzarella cheese. Cover with foil. Bake in preheated 350 degree F oven for 30 minutes. Let stand for 10 minutes before serving.