I replace my pre and post workout shake with a whole food meal on nontraining days. Lean protein, low glyemic load cho, and efa is a good choice IMO. Of course this is all dependent on your goals.
On non work out days, my Post Workout and Pre Workout meal changes, I dont take in any simple sugars/high GI carbs post workout, and also dont have any shakes except morning and bedtime.
If bulking, depending on the time of day, lean meat with brown rice or sweet potato is a good choice. Even when bulking watching your carbs later in the day.