Boston cream pie is a dessert also known by which of the following 3 names?

A Boston cream pie is a cake with a cream filling. This is a dessert that acquired its name when cakes and pies were cooked in the same pans, and the words were used interchangeably. In the late 19th century, this type of cake was variously called a "cream pie", a "chocolate cream pie", and a "custard cake".

Boston cream pie is the pride and US state dessert of Massachusetts. This pie was declared the official dessert of Massachusetts on December 12, 1996.

It is now considered a fantastic dessert made with yellow butter cake, custard cream, and chocolate glaze. While its name suggests that it’s a pie, it is actually a cake. It was created in Boston, Massachusetts and the chef responsible for the recipe was of Armenian-French descent, chef M. Sanzian. He worked at the Parker House Hotel in Boston.

When Boston cream pie was first made, it consisted of two layers of French butter sponge cake filled with thick custard and brushed with a rum syrup. Its side was coated with the same custard overlaid with toasted sliced almonds, and the top coated with chocolate fondant. While other custard cakes existed at the time, baking chocolate as a coating was a new process, making it unique and a popular choice on the dessert menus.