They are both brandy based . If you ' re trying to limit the number of bottles on hand , I would have no reservations about using PF dry curacao in place of grand marnier . They ' re the same proof , so just substitute it , no need to add anything else . Edit this might be informative . i s t h e b e s t o r a n g e l i q u e u r t r i p l e s e c c u r a c a o c o i ntreaugrandmarnierreviews . html <| sep |> Our family doesn ' t have one . Don ' t no one fuck with the food I ' ve just spent hours preparing . <| sep |> The National Iranian South Oil Company has signed its first nondisclosure agreement NDA with a consortium of international companies , known as Pergas , for carrying out studies over two oilfields in Iran . <| sep |> It ' s a good time . Lots and lots of food