Cream cheese is a tasty addition to variety of dishes and this is what make sit a versatile delight. But those rotten ones can ruin your entire menu and leave you with unpleasant taste in mouth. To identify the rotten cream cheese, you should be aware of few important facts. The rotten cream cheese looks more like a blue cheese because it has appearance of blue veins due to heavy ingrowth of molds and fungi. Also, the smell of spoiled cream cheese is very rancid. Never think of going by the taste because it has very bitter taste and you will not be able to gulp it down!