Brew coffee with a phin as show in this Vietnamese coffee.
Start by boiling water.
Pre-rinse the filter with 1=2 Tbsp of hot water.
Add coffee, tap filter body to level.
Place damper and lightly pressure it.
Add sweeten condensed milk into cup.
Affix the body filter onto its base dripper, then place on microwave able cup.
Add 1 Tbsp of boil water into body filter to soak coffee for 15-20 seconds.
Pour about 60 ml of boiling water into body filter, close cap.
While coffee is dripping, separate your egg to obtain fresh yolk. Make sure your yolk is free of the egg white, eye and all the white goo-ish stuff.
Whisk or beat it rigorously until bubbly up.
Add 1/2 tsp sugar and some drop of lime juice while beating.
When egg yolk is smooth and fluff pour into serving cup.