From rotation student, Cheryl Chan

• Mix 220g butter at room temperature, 70g powered sugar, 25g egg (~half an egg), 280g all purpose flour
• Divide the dough into 4 equal portions
  • Chocolate: 3g cocoa powder, some chocolate chip
  • Matcha: 3-4g matcha powder
  • Oreo: 1 oreo cookie
  • Plain: as it is
• Wrap each dough in a parchment paper and roll it into a cylindrical shape. Let them chill in the freezer for 30min - 1hr
• Cut the frozen dough
• Preheat oven to 350F, bake for 15-20min and let cool after