Well... you could always do the Mediterranean thing and go with some hoummous. I'm not sure how COLD it'd be, but it's veggie and smooth... while you're at it, you could enjoy some couscous. Hell, a couscous salad with some of your favourite greens and veggies would probably be pretty digestible. No sharp corners on couscous. I won't recommend tabouleh, sice it can be pretty acidic...

On the other hand, if you go to your grocery store asking for couscous, hoummous and tabouleh, you'll probably be arrested these days...

Do they still do tonsilectomies? I haven't heard of anyone having them out in twenty years!