3 ounces cold espresso or strong coffee 1/2 cup milk, plus more as needed 3 Oreo cookies or other very dark brown cookies with a white cream filling 1 1/4 cup crushed ice milk chocolate shavings, for garnish
Place the espresso, milk and cookies in a blender. Add the ice and blend until smooth. Adjust the amount of milk for the desired consistency. Top with chocolate shavings.