Sunan Ibn Majah, Volume 2, Book 5, Hadith 1421 (DarusSalam) ⓘ
It was narrated that Jabir bin ‘Abdullah said: “The Prophet was asked: ‘Which prayer is best?’ He said: ‘That with the longer Qunut.’”
حَدَّثَنَا بَكْرُ بْنُ خَلَفٍ أَبُو بِشْرٍ، حَدَّثَنَا أَبُو عَاصِمٍ، عَنِ ابْنِ جُرَيْجٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ سُئِلَ النَّبِيُّ ـ صلى الله عليه وسلم ـ أَىُّ الصَّلاَةِ أَفْضَلُ قَالَ " طُولُ الْقُنُوتِ " .
also referenced under: Hadith 1421 (Reference) & Book 5, Hadith 1486 (In-Book)