Sweet Tart Crust

Bahan-bahan (1 porsi)

• 1¼ cups all-purpose flour (plain flour)
• ½ cup confectioners’ sugar
• ¼ tsp Diamond Crystal kosher salt
• ½ cup unsalted butter ((1 stick, 8 Tbsp; cold))
• 1 large egg (50 g w/o shell) ((cold))
• ½ tsp pure vanilla extract