To dream of spaghetti sauce represents feelings about sophisticated situations requiring intelligent or sophisticated experience to handle them. A wonderful or "beautiful" thing to experience if it's done right.
Negatively, dreaming about spaghetti sauce represents professional embarrassment. Sophisticated problems that are difficult to change if you make a mistake. Mistakes that become a nagging problem or constant reminder of failure if not addressed properly. Spaghetti sauce may reflect mistakes, regrets, or problems that can't be easily fixed. A negative situation requiring intelligent experience to solve.