1. First steam the salted egg yolk prepared in advance.

2. Then grind the cooked salted egg yolk into mud with a spoon, and there are no obvious large particles.

3. Heat the butter in the container to melt, and add the yolk mud to the melted butter.

4. Add the remaining powder raw materials and stir well.

5. Add water to the pot and boil it, cover it with Jinsha milk yellow stuffing and steam it for 22~28 minutes, and stir it thoroughly every 7 minutes. In this way, the quicksand filling is ready.