In frying pan, add onion ... broth from cooked noodles, stirring to blend in ... until thickened. Add meatballs to mushroom sauce. Cover, reduce ... occasionally. Serve over noodles.
Mix ground beef, bread crumbs, ... cubes, making each meatball 1 1/2 inches in diameter. ... boiling. Stir in noodles gradually so liquid continues to ... and simmer 7 minutes.