[Hey man whatever works.]

That sounds like something more suited for my sister to eat but I would not mind trying it. [He could just probably only tolerate like three bites before he'd have to quit. His sweet tooth is just not as strong.]

But that case perhaps I will try to freeze it. I must thank you for this idea. I would have never thought of it had you not come up with this. [Even if this particular idea doesn't quite work out... he can definitely work with it. And now has this new idea to play with too.

Surely he will figure out something now...]