Mishkat al-Masabih
‘Abdallah b. Ja'far told that he saw God’s messenger eating fresh dates with cucumber. (Bukhari and Muslim.)
وَعَنْ عَبْدِ اللَّهِ بْنِ جَعْفَرٍ قَالَ: رَأَيْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَأْكُلُ الرُّطَبَ بِالْقِثَّاءِ
Reference