Garth'zel takes the bowl and puts it away to be kept cold for until Anakin was ready to finish it, at which point, he'll heat it back up.

"I can teach you how to play dejarik if you don't already know." It'll serve to both get Anakin to learn something fun to do (that can be used to covertly teach him strategy later) and something stationary to give his stomach time to recover from what he just tried to do to it.