Anas b. Malik reported that Allah’s Messenger (may peace be upon him) said: Allah is pleased with His servant who says: Al-Hamdu-lillah While taking a morsel of food and while drinking.

Anas b. Malik reported that Allah’s Messenger (may peace be upon him) said: Allah is pleased with His servant who says: Al-Hamdu-lillah While taking a morsel of food and while drinking.
Source: HOTD