Bulugh al-Maram, Book 5, Hadith 681 (English)

Anas (RAA) narrated that The Messenger of Allah said: “Eat the suhur (pre-dawn meal), for there are blessings in this meal.” Agreed upon.

وَعَنْ أَنَسِ بْنِ مَالِكٍ ‏- رضى الله عنه ‏- قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ تَسَحَّرُوا فَإِنَّ فِي اَلسَّحُورِ بَرَكَةً } مُتَّفَقٌ عَلَيْهِ 1‏.‏ ‏1 ‏- صحيح.‏ رواه البخاري ( 1923 )‏، ومسلم ( 1095 )‏.‏

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also referenced under: Book 5, Hadith 660 (In-Book)