A cream-filled treat is a type of dessert that is filled with a creamy substance, such as custard or whipped cream. The term can refer to a variety of different desserts, including eclairs (6 letters), Oreos (4 letters), and HoHos (4 letters). Eclairs are long, thin pastries filled with a creamy custard and topped with chocolate. Oreos are two chocolate cookies with a cream filling in the middle. HoHos are chocolate-covered sponge cakes filled with a creamy center.