My bro/sis-in-law went to M'sia and bought the coconut buns for us!
I read that Hiap Joo Bakery is 1 of only 2 bakeries left in Johor that still uses a century-old wood fired oven to bake their breads and cakes.
The coconut buns has a matte, slightly charred appearance. It has a very slight hint of charred smokiness if you bite off just the charred part of the bread. Otherwise, the bread itself tastes quite normal/ average.
The coconut filling in the bun is generous! The fresh grated coconut roasted with gula melaka filling was not overly sweet, and this filling is what makes the bun comes alive! The coconut shreds/ filling was delicious and not overly sweet. It wasn't dry, but I wish it was a bit more juicy.
Anyway, that was when I ate the buns at room temperature on the 2nd day. I kept them in the refrigerator on the 2nd night and heated them in the morning on the third day. The bun tasted much better. Could smell the fragrance from the bread and the coconut filling. The coconut filling felt slightly more moist as well.
I like the buns way better when they are (re)heated!