Double chocolate goodness – poco-cocoa

Ingredients

• 1 1/3 cups all-purpose flour
• 2/3 cup unsweetened cocoa powder
• 3/4 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cups (1 1/2 sticks)unsalted butter, softened to room temperature
• 1 1/4 cups packed light brown sugar
• 2 large eggs
• 1 cup good-quality semi-sweet chocolate chips
• 1 cup walnuts, coarsely chopped