I was in Taipei with my mum two weeks ago when I chanced upon apple buns in a bakery located in Mitsukoshi. It's made of sweet bread with chopped apple and custard as fillings. The soft bread and crunchy apple was so yummy that by the time I finished the bun, I was craving for a second serving. But unfortunately, we were far from the shopping mall by then and I didn't see such buns in other bakeries anymore.
After I came back from the trip, I couldn't get it out of my mind. So I decided to try to make my own apple buns by pulling out recipes of sweet bun, apple pie filling and custard from different cookbooks. After hours of kneading and sweating in the kitchen, I've got a batch of buns that only looked good in the picture, but taste wise, it still needs further improvement.
No recipe for now, I'll only post the recipe if I get a satisfactory result from further attempts.