A rather bland, half moon-shaped, Brie-like, blue cow’s milk cheese which is a Danish version of Bavarian Blue or Cambazola.
Spinach beet or mangel wurzel (US: Mangold), similar to Swiss chard. The leaves can be prepared in the same way as spinach, the stems like cardoon.
Blue whitefish. Could you send details (and a picture) to queries@whatamieating.com if you know more?