Cullen skink is a thick Scottish soup made of smoked haddock, potatoes, and onions.

[citation needed] Local recipes for Cullen skink have several slight variations, such as the use of milk instead of water or the addition of single cream.

[citation needed] Cullen skink is traditionally served with bread or oatcakes crumbled through it for added texture.

[2] Cullen skink appears in many traditional Scottish cookery books and restaurant and hotel menus throughout Scotland, the rest of the UK and abroad.

[3] Skink is a Scots word for a shin, knuckle, or hough of beef, which has developed the secondary meaning of a soup, especially one made from these.