The Prophet ﷺ used to pray the two rakahs after Maghrib in his home.
حدثنا عبد الرحمن عن مالك عن نافع
أن النبي ﷺ كان يصلي الركعتين بعد المغرب في بيته
No references are available.
Its isnad is sahih, and it is an abridgment of 5296, see also 5432.