A vintage recipe card from Kroger for Porcupine Balls. Meatballs made with ground beef, uncooked rice, egg, onion, lemon juice, salt, and MSG or Accent and baked in a mixture of butter or margarine, onion, celery, green pepper, Kroger tomato soup, water, lemon juice, sugar, dry mustard, salt, tomato sauce, and Worcestershire sauce. #PorcupineMeatballs #PorcupineBalls #Meatballs #Rice #TomatoSoup #VintageRecipes #Recipe #Vintage #Retro #RetroRecipes