The Boston Cream Donut is a popular pastry that originated in the United States. It features a soft, yeast-based donut filled with a rich vanilla custard or cream. The donut is typically topped with a layer of chocolate glaze, giving it a distinctive appearance and flavor. This treat is named after the Boston Cream Pie, which is a cake filled with custard and topped with chocolate. The Boston Cream Donut is often enjoyed as a dessert or snack and is a favorite in many bakeries and coffee shops across the country.