Sayyiduna Abu Hurayrah (may Allah be pleased with him) says: The Prophet (peace and blessings be upon him) forbade blowing into food or drink.
Al-Bazzar recorded it from his teacher Zakariyya bin Yahya bin Ayyub Abu Ali al-Darir. I do not know him. The remaining narrators of this report are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأطعمة / 7888