Double Chocolate Cookies

1.Preheat the oven to 350°F (180°C) and line a baking sheet with parchment paper.

2.In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt.

3.In a separate bowl, cream together the butter, granulated sugar, and brown sugar until light and fluffy.

4.Add the vanilla extract and egg to the butter mixture and mix until well combined.

5.Gradually add the dry ingredients to the wet ingredients and mix until a dough forms.

6.Fold in the chocolate chips and chopped walnuts.

7.Scoop tablespoon-sized portions of dough onto the prepared baking sheet, spacing them apart.

8.Bake in the preheated oven for 10-12 minutes, or until the edges are set but the centers are still soft.

9.Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.