1 1/2 lb. ground beef
1 sm. onion, chopped
10 oz. pkg. frozen chopped spinach, cooked and squeezed dry
1 1/2 c. (6 oz.) mozzarella cheese
1/2 c. bread crumbs
1 egg, slightly beaten
1/4 c. grated Parmesan cheese
1/2 lb. (about 8) lasagna noodles
15 oz. jar spaghetti sauce (any flavor)
1/4 tsp. black pepper
1 tsp. oregano
1/2 tsp. salt

Preheat oven to 350 degrees. In large skillet, brown beef, add onions and saute until translucent. Pour off fat. Add spinach, 1 cup mozzarella cheese, bread crumbs, egg and 1/4 cup Parmesan cheese and seasonings. Mix well; set aside. In 11 x 7 inch baking dish, spread 1 cup of sauce. Cut each lasagna noodle in half, crosswise. Place 1/4 cup of filling in each cooked noodle. Roll and place seam side down in baking dish. Pour remaining sauce over rolls. Sprinkle with remaining cheeses. Cover with foil. Bake 30 minutes. Uncover and bake 5 minutes more.