In a large bowl, combine the first seven ingredients. Crumble beef over mixture and mix well. Shape into 1-1/2-in. balls., Place flour in a large shallow bowl; gently roll meatballs in flour. In a large skillet, brown meatballs in oil. Drain; return to the pan. Combine soup and water; pour over meatballs. Bring to a boil. Reduce heat; cover and simmer for 20-25 minutes or until meat is no longer pink, stirring occasionally., Stir in sour cream; heat through (do not boil). Serve with noodles.,