Myzithra cheese (mizithra) is a dry sheep's milk cheese from Greece used as a grating cheese. This cheese is made from the whey of feta or kefalotyri. You can also purchase a fresh version (similar to cottage cheese) that is eaten with honey, as is Greek Yogurt. You can grate this cheese over a simple hot pasta or use it in some pastry recipes.
This cheese can be found in most cheese shops and even at Whole Foods Market. You can also shop for it at various online stores as well as Amazon.com: Mizithra Cheese