Before Eating
بِسْمِ اللَّهِ
Bismillah
Translation: In the name of Allah
Reference: Bukhari, Muslim
After Eating
الْحَمْدُ لِلَّهِ الَّذِي أَطْعَمَنَا وَسَقَانَا وَجَعَلَنَا مُسْلِمِينَ
Alhamdu lillahil-ladhi at'amana wa saqana wa ja'alana muslimin
Translation: All praise is due to Allah who fed us and gave us drink and made us Muslims
Reference: Abu Dawud, Tirmidhi