pigs in a blanket vs salami

pigs in a blanket

noun
  • a dish of ground pork and/or beef cooked in cabbages 

salami

noun
  • A large cured meat sausage of Italian origin, served in slices. 

  • A grand slam. 

  • A penis. 

How often have the words pigs in a blanket and salami occurred in a corpus of books? (source: Google Ngram Viewer )