In short, queso fresco is pretty much what its translation implies: fresh cheese. It is an unaged soft cheese, like ricotta or feta, made from cow's milk or a mixture of cow's and goat's milk.
It is lovely crumbled over soups that need a tangy, creamy touch or chopped into salads as a less salty alternative to feta. Since queso fresco does not melt, it will get warm and soft when added ...