Chocolate Walnut Cookies - Cooking Restored

Ingredients

• 1/2 cup unsalted butter, softened
• 1/4 cup plus 2 tbsp dark brown sugar
• 1/4 cup plus 2 tbsp sugar
• 1 large egg
• 1/4 tsp vanilla extract
• 1/2 tsp baking soda
• 1 cup all-purpose flour plus 2 tbsp
• 1 tbsp cocoa powder
• 1/2 cup chopped walnuts
• 1/2 cup dark chocolate chips