In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt.
In a large bowl, combine the melted butter and light brown sugar. Beat in the eggs one at a time, then stir in the vanilla extract.
Gradually add the dry ingredients to the wet ingredients, stirring until just combined.
Stir in the chocolate chips.
Lightly grease the waffle iron with cooking spray.
Carefully spoon the cookie batter onto the waffle iron. Close the lid and cook for 2-3 minutes, or until the cookies are cooked through and lightly crisp.
Carefully remove the cookies from the waffle iron and let cool.
Serve and enjoy!
Interesting Facts
These cookies are a great way to use up any leftover chocolate chips.
You can substitute regular sugar for the light brown sugar for a slightly different flavor.
These cookies are perfect for a quick snack or dessert.