(33) باب فَضِيلَةِ الْمُوَاسَاةِ فِي الطَّعَامِ الْقَلِيلِ وَأَنَّ طَعَامَ الاِثْنَيْنِ يَكْفِي الثَّلاَثَةَ وَنَحْوِ ذَلِكَ
A hadith like this is reported on the authority of Jabir but with a different chain of transmitters.
Reference: Sahih Muslim 2059 b
In-book reference: Book 36, Hadith 243
USC-MSA web (English) reference(deprecated numbering scheme): Book 23, Hadith 5110