I found this recipe, using evaporated milk. To boost flavor you might want to try espresso powder instead of the regular coffee and/or coffee ice cream instead of vanilla.
Cappuccino Smoothie
Source: Nestle® Very Best Baking
1 can (12 fl oz) NESTLÉ ® Carnation ® Evaporated Milk, chilled
6 teaspoons TASTER`S CHOICE ® 100% Pure Instant Coffee
1 cup (2 large scoops) vanilla ice cream
1 cup ice cubes
1 tablespoon granulated sugar
2 teaspoons NESTLÉ ® TOLL HOUSE ® Baking Cocoa
Directions
PLACE evaporated milk and Taster`s Choice in blender; cover.
Blend until coffee is dissolved.
Add ice cream, ice and sugar; blend until smooth.
Pour into glasses. Sprinkle with cocoa.