1 cup skim milk
2 tablespoons cocoa
1/3 cup sugar
1 teaspoon vanilla extract
1 medium ripe banana, sliced
8 large ice cubes
Directions
In blender , first pour milk. Add cocoa. & blend on low speed until well mixed. Then add sugar, vanilla and banana.
 Blend until smooth.
Add ice cubes, one at a time, blend until thick.