Prior to the development of instant gelatin aka Jello, gelatin was extremely labor intensive and thus expensive. It was rich folk food that suddenly had a massive crash in price and difficulty to make. So it was in everything for a while, until it stopped being seen as this super high-class thing that the poors finally had access to.
Imagine the price of caviar suddenly plummeted to $0.01/oz, and what the next couple of years of cooking would look like as a result.
Prior to the development of instant gelatin aka Jello, gelatin was extremely labor intensive and thus expensive. It was rich folk food that suddenly had a massive crash in price and difficulty to make. So it was in everything for a while, until it stopped being seen as this super high-class thing that the poors finally had access to.
Imagine the price of caviar suddenly plummeted to $0.01/oz, and what the next couple of years of cooking would look like as a result.