The alfajor de arroz mousse de dulce de leche is a dessert that combines the sweet and savory flavors of rice mousse and dulce de leche. It consists of a creamy rice mousse filling sandwiched between two layers of crispy cookies. The dulce de leche adds an extra layer of richness to this indulgent dessert. Some people have reported that it is a satisfying treat that leaves them craving more.