Afṭara `indakumuṣ-ṣā'imūn,
wa akala ṭa`āmakumu ‘l-'abrār,
wa ṣallat `alaykumu ‘l-malā'ikah.
With you, those who are fasting have broken their fast,
you have fed those who are righteous,
and the angels recite their prayers upon you.
Reference:
Abu Dawud 3/367, Ibn Majah 1/556, An-Nasa'i, 'Amalul-Yawm wal-Laylah 296-8.
Al-Albani graded it authentic in Sahih Abu Dawud 2/730.