1. Prepare the materials
2. Beat the butter and add the egg yolk
3. Mix them together
4. Add low-refined powder and stir with chopsticks
5. Put on disposable gloves and thoroughly mix the flour and egg yolk into such a lump
6. Knead into a small ball
7. Knead into small balls of the same size
8. Preheat the oven up and down two hundred degrees, put it in at 150 degrees and bake it for 15 minutes. Everyone’s oven is different. Use your own oven to see the changes.
