National Boston Cream Pie Day 2025 Events. This delightful dessert, which is actually a cake, features layers of sponge cake filled with creamy custard and topped. Celebrate the origins of this beloved dessert, invented in boston in the 19th century and designated as massachusetts' official state dessert.
This is why on october 23rd every year, national boston. With layers of sponge cake and custard topped with chocolate.