hokey pokey vs sponge toffee

hokey pokey

noun
  • A confection made from golden syrup, white sugar, and baking soda; honeycomb toffee 

  • Vanilla ice cream with small pieces of honeycomb toffee. 

sponge toffee

noun
  • Synonym of honeycomb toffee 

How often have the words hokey pokey and sponge toffee occurred in a corpus of books? (source: Google Ngram Viewer )