Mix the Milk, Sugar, and Yeast together

Mix in the Flour, Salt, and Baking Powder

Cover in Oil and knead until mixed in

Transfer to flat surface and knead some more. About 5 minutes

Divide into 8 pieces and roll each piece into a ball

Flatten into a circle and place Custard in the center

Close the dough by pinching the edges into each other then smooth it out into a ball

Place each completed ball on parchment paper and let stand for 12 minutes

Steam on Medium for 10 minutes and wait 3 minutes before removing from steamer