No, Jack really isn't. He's learned a lot of skills in his long life, but cake-decorating is not one of them. Or anything-decorating, really. He has big hands. Not good for delicate work. Or at least, not that kind.
"They look fantastic," he says proudly, leaning over to look but being careful not to touch. "You're so good at this sort of thing." He grins. "I guess you must get that from your mother!"