The Prophet ﷺ said, "Eat the predawn meal, for there is blessing in it."
حدثنا محمد بن بكر أخبرنا سعيد عن قتادة
عن النبي ﷺ قال تسحروا فإن في السحور بركة
Its isnad is sahih, it has already appeared at 11334 and 11889.