Cake layers:

Note: I tried SO many genoise recipes, and this one was the easiest to make

https://www.youtube.com/watch?v=NoDdxdYM4z0&t=153s&ab_channel=호주가이버hojugyver

Icing:

Note: Make sure you divide into 2 batches:

1. one for the outside(do not over-mix, make sure it’s smooth)
2. one for putting in between layers that can be mixed to thicker

https://www.youtube.com/watch?v=_y8UT3gdGoY&list=PLN51Rt7ebHuHDEkI3TGjZarQKOJDTsFri&index=5&t=67s&ab_channel=301baking