Queso Fresco is a mild, fresh, crumbly cheese that is most commonly used in Mexican cuisine. It's similar to feta, but not quite as sharp or salty in flavor. It can be used in fillings or as a topping like I used it for with these Black Bean Tacos with Avocado Corn Salsa. Queso fresco is not a melting cheese. It get's soft, but don't expect it to melt the way mozzarella does.