1. Add sugar after the cream is soft.
2. Gradually add egg yolks and mix well.
3. Add in the sifted low-gluten flour, and mix well by pressing.
4-1 Add in oatmeal and chocolate chips, mix until there is no powder.
4-2 Add black pepper powder and cheese powder, mix until there is no powder.
5. Freeze for 10-15 minutes, divide one into 15g, roll into rounds, flatten and place decorations.
6. Put it in the oven, set the oven temperature to 180 degrees above and below 120 degrees and bake for eight minutes. After changing the side of the baking pan, bake it for another 24 minutes at 150 degrees above and 120 degrees below, and change the sides of the baking tray every 8 minutes.