Three portions of the meat
The Mustahab (Commendable) way is that 3 portions of the meat should be made. One part should be distributed among the poor, one among the relatives and one for self. Giving one portion to the poor is not Compulsory (Wajib), but Mustahab. As mentioned in Fatawa A’alamgiri:
(Fatawa A’alamgiri, Vol. 5, Pg. No. 300.)