Eating after a workout if all about replacing the calories you used up. Its important to replenish the glycogen that has been depleted during your exercise. Eating protein after a workout is must.
Therefore your post workout meal should be high in complex carbohydrates that break down slowly and are loaded with high protein.
Complex carbohydrates include - Brown rice, Nuts, Whole wheat bread.
Healthy proteins include - Bean, Fish, Tofu.