I did it almost all according to Maangchi´s recipe. I didn´t have black sesame seeds, so I just used ordinary(white) sesame seeds. Since I was doing this for the first time I was worried about sugar being burned, so I added too much of oil. It was quite ok but it took few hours to harden. My friends loved it even when it wasn´t perfect : )
The recipe is here.
It looks so tasty! Follow the recipe closely next time if you make it again. It shouldn’t take a few hours to harden.