black pudding vs casserole

black pudding

noun
  • A blood sausage made from pork blood, a high proportion of cereal (oats or barley), and spices; eaten at breakfast and combined in starters and salads. 

casserole

noun
  • Food that fills the high-walled dish or pan that it was cooked in. 

  • Food, such as a stew, cooked in such a dish. 

  • A dish of glass or earthenware, with a lid, in which food is baked and sometimes served. 

verb
  • To cook like, or as, a casserole; to stew. 

How often have the words black pudding and casserole occurred in a corpus of books? (source: Google Ngram Viewer )