Ingredients:

  • 1/2 cup (113g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 1/2 cup (45g) unsweetened cocoa powder
  • 1/4 teaspoon (1.5ml) salt
  • 1 teaspoon (5ml) vanilla extract
  • 2 large eggs
  • 1/2 cup (60g) all-purpose flour
  • 1/2 cup (113g) unsalted butter, softened
  • 1/2 cup (100g) packed brown sugar
  • 1/4 cup (50g) granulated sugar
  • 1 teaspoon (5ml) vanilla extract
  • 1/4 teaspoon (1.5ml) salt
  • 1 cup (120g) all-purpose flour, heat-treated
  • 2 tablespoons (30ml) milk
  • 1/2 cup (85g) mini chocolate chips

Instructions:

  1. Melt butter and whisk in sugar, cocoa powder, and salt.
  2. Stir in vanilla, then add eggs one at a time, mixing well after each addition.
  3. Gradually add flour until just combined.
  4. Cover and chill for at least 30 minutes.
  5. Cream together softened butter, brown sugar, and granulated sugar until light and fluffy.
  6. Stir in vanilla and salt.
  7. Gradually add the heat-treated flour, mixing until just combined.
  8. Add milk, mix until smooth.
  9. Fold in mini chocolate chips.
  10. Cover and chill for at least 1 hour.
  11. Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
  12. Scoop or spoon brownie dough onto prepared baking sheets, leaving space between cookies.
  13. Bake for 10-12 minutes, or until the edges are set and the centers are still slightly soft.
  14. Let cool on baking sheets for a few minutes before transferring to a wire rack to cool completely.
  15. Once the brownie cookies are completely cool, scoop or spread a generous amount of cookie dough onto the flat side of half of the cookies.
  16. Top with the remaining brownie cookies, flat side down, to create sandwich cookies.