Hadith 4177

He reported God’s messenger as saying, “Two people’s food is enough for three and three people’s is enough for four.” (Bukhari and Muslim.)

وَعَنْهُ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «طَعَامُ الِاثْنَيْنِ كَافِي الثلاثةِ وطعامِ الثلاثةِ كَافِي الْأَرْبَعَة»

Reference: 5641770
In-book reference: Book 21, Hadith 4177