Sunan Abu Dawud
3761
Daif+3

Narrated Salman al-Farsi: I read in the Torah that the blessing of food consists in ablution before it. So I mentioned it to the Prophet (ﷺ). He said: The blessing of food consists in ablution before it and ablution after it. Sufyan disapproved of performing ablution before taking food. Abu Dawud said: It is weak

DaifAl-Albani
DaifMuhammad Muhyi Al-Din Abdul Hamid