Ingredient:

• COOKIES:
• 5 tablespoons butter, softened
• 1 cup packed brown sugar
• 1 tablespoon light corn syrup
• 3 ounces bittersweet chocolate, melted
• 1 large egg, room temperature
• 1 teaspoon vanilla extract
• 1-1/3 cups all-purpose flour
• 3/4 teaspoon baking powder
• 2 tablespoons baking cocoa
• 1/2 teaspoon salt
• 1/2 cup buttermilk
• 1/2 cup chopped pecans
• FROSTING:
• 1-1/2 cups confectioners' sugar
• 1/4 cup baking cocoa
• 1 tablespoon butter, softened
• 3 tablespoons boiling water