The chef said that using salted egg yolk, the result should be something called "quicksand buns"

The "custard powder" the baker said is not available in any home For butter people, will there be custard powder? I think there is generally no such thing! Maybe you don’t even know what custard powder is.

In fact, the butter in the custard buns is used to enhance the flavor and make the color more beautiful. If it is not available, it is recommended to use lard! But if it's just right, it may not be as fragrant as butter, and the color may be whiter, but there's nothing else - an ordinary person who has made custard buns suggested.