Urda is a type of traditional whey cheese whose recipe has been passed from generation to generation in most households. It is common in the Balkans region, particularly Romania, the Pirot region of Serbia, Macedonia, Montenegro and Hungary.

The cheese is made by heating the whey resulting from the draining of any type of cheese is made. In Romania, Cas or telemea cheeses is reprocessed to make Urda cheese. The procedure is similar to that of making Ricotta. It is often moulded to the shape of a half sphere. The paste is grainy, silky and pleasant to taste. In Romanian cooking, Urda is often used to make desserts such as clătită and plăcintă.