If you'd like an adult version (and like coffee), you can add in some instant coffee crystals. (girlcooksworld.com)
For some variety, you can mix coffee crystals in your oatmeal or yogurt, or perhaps prepare chicken barbecue with a cup of coffee in its ingredient for lunch. (hngn.com)
I may add a splash of vanilla or a sprinkle of coffee crystals next time. (epicurious.com)