Preparation Steps

• Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
• In a bowl, combine the flour, cornstarch, and powdered sugar. Add the butter and mix until a soft dough forms.
• Roll the dough out on a floured surface and cut out circles. Place on the prepared baking sheet.
• Bake for 10-12 minutes or until the edges are lightly golden. Let cool completely.
• Spread a generous amount of dulce de leche on one cookie, then sandwich with another cookie. Dust with powdered sugar.