This reminds me of a milkshake I used to get at Arbys.
1/2 can diet cream soda
1 tsp instant coffee
1 scoop chocolate HMR 120
1 tsp sugar free white chocolate pudding mix
4 or more ice cubes
Mix soda and coffee in blender until coffee granules dissolve, add vanilla HMR and pudding mix and blend. Add ice, one cube at a time. [...]