1 box manicotti noodles (14 in pkg.)
1 pkg. Mozzarella cheese (7 to 8 oz.)
1 lb. hamburger
1 sm. onion
1 jar (16 oz.) spaghetti sauce

Preheat oven to 350 degrees. Brown ground beef and onion in skillet. Drain excess grease. Lower heat and add package of cheese. Cook until cheese melts. Cook manicotti noodles as directed on package BUT for 1/2 as long. Drain on foil. With fork stuff meat mixture into noodles. Place in 9 x 13 inch ungreased pan. Pour spaghetti sauce over and bake at 350 degrees for 30 to 35 minutes.