It is narrated from Sayyidah Aishah (may Allah be pleased with her) that she said: When the Prophet (peace and blessings be upon him) married me, my family tried to fatten me up with everything, but I did not gain weight. Then they fed me cucumber and fresh dates, and I filled out very well.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19371