burnt cream vs custard

burnt cream

noun
  • Synonym of crème brûlée 

custard

noun
  • A type of sauce made from milk and eggs (and usually sugar, and sometimes vanilla or other flavourings) and thickened by heat, served hot poured over desserts, as a filling for some pies and cakes, or cold and solidified; also used as a base for some savoury dishes, such as quiches, or eaten as a stand-alone dessert; egg custard. 

  • A similar sauce made from milk and cornflour or custard powder (and usually sugar, and sometimes vanilla or other flavourings) and thickened by heat. 

How often have the words burnt cream and custard occurred in a corpus of books? (source: Google Ngram Viewer )