The Prophet ﷺ said, "Whoever gives a handful of parched barley flour or dates as a woman's dowry has made her lawful for himself."
حدثنا إسحق بن جبرائيل البغدادي أخبرنا يزيد أخبرنا موسى بن مسلم بن رومان عن أبي الزبير
أن النبي ﷺ قال من أعطى في صداق امرأة ملء كفيه سويقا أو تمرا فقد استحل
No references are available.
[Its chain of transmission is daif] Ahmad narrated it: 3/355, no. 14884, from the hadith of Ibn Rauman, and he is of unknown status, though Ibn Hibban alone deemed him trustworthy. The hadith of Ibn Jurayj was narrated by Muslim, no. 16/1405.