Mynost and Gjetost are popular Norwegian breakfast cheeses. Mynost is a whey cheese, made by evaporating the water until only the whey albumen and lactose remain as a brownish paste, giving the cheese a sweetish taste and a firm consistency. Originally Mynost was made from goat's milk and was called Gjetost. Some Gjestost can still be found, but it is quite rare.
Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.