Light, easy to make, and extremely elegant, caramel mousse is a French invention consisting of cream, butter, sugar, and flavorings such as vanilla or honey. The dessert is characterized by its rich caramel flavor and creamy, velvety texture. Numerous variations on the classic dish exist, such as the addition of pieces of chocolate and crushed peanuts, or a sprinkling of fleur de sel to make salted caramel mousse.