Super Soft and Moist Chinese Bakery Buns

Tried by Wendy Chow Photo by Wendy Chow http://www.instructables.com/id/Suuper-Soft-and-Moist-Chinese-Bakery-Buns/?ALLSTEPS Then the topping recipe is 80g butter30g shortening80g powdered sugar1 tsp vanilla essence1 large egg (lightly beaten)200g all purpose flourTaken from here: http://rasamalaysia.com/pineapple-bun-polo-bun/2/ TIP from Wendy Chow Think the key is to roll the topping thin so that it cracks!x