Yes, I went there many times, as well as his sister's coffee shop. her secret ingredient is cocoa. its amazing.

I wrote and published a full article about the history of egg coffee and where to try it. Give it a read if you are interested. Cheers and thanks for your interest @hanggggbeeee.

Are you in saigon btw? Most of the people in the facebook steemit group are there. Maybe we can all meet up one day for some food and beer and make a good post out of it haha! Take care