Assertion: boston cream pie | /r/HasProperty | invented
Facets:
value: way back
type: LOCATION
Source sentences:
text: It’s called Boston cream pie rather than Boston cream cake because when it was invented way back, the common pans that were used to make cakes were pie pans.
text: Well, when the Boston cream pie was first invented, cakes and pies were baked with the same kinds of pans, and even the words were used interchangeably.