It was the practice of the Prophet (peace and blessings be upon him):
"The meat on the bone most beloved to him (peace and blessings be upon him) was the foreleg of a goat."
Hadith Referenceصحیح الجامع الصغیر / حرف الكاف / 4629
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[حم د ابن السني وأبونعيم] عن ابن مسعود. الصحيحة ٢٠٥٥: الطيالسي.