The Prophet ﷺ, whenever he ate or drank, would say, "Praise be to Allah who has fed us, given us drink, and made us Muslims."
حدثنا أبو سعيد الأشج حدثنا حفص بن غياث وأبو خالد الأحمر عن حجاج بن أرطاة عن رياح بن عبيدة قال حفص عن ابن أخي أبي سعيد و قال أبو خالد عن مولى لأبي سعيد
كان النبي ﷺ إذا أكل أو شرب قال الحمد لله الذي أطعمنا وسقانا وجعلنا مسلمين
Its isnad is daif.Reference: Ibn Majah also narrated it in the Book of Foods, Chapter on What is Said When One Finishes Eating, hadith no. 3283, from the hadith of Abu Khalid Ahmar with the same wording. Hajjaj is daif and a mudallis, and the freedman of Abu Saeed is unknown. The hadith has daif corroborating narrations found in Abu Dawud, hadith no. 3850, and Nasai in Amal al-Yawm wal-Layla, hadith no. 290, and others.