Triple Chocolate Biscotti

Bahan-bahan (36 porsi)

• ⅔ cup granulated white sugar
• ½ cup (1 stick) salted butter, (at room temperature)
• ¼ cup unsweetened cocoa powder
• 2 teaspoons baking powder
• ½ teaspoon instant espresso powder
• 2 large eggs
• 1¾ cups all purpose flour
• ¾ cup dark chocolate chunks
• ¾ cup dark chocolate chunks
• ½ teaspoon shortening