Depends on what the rest of the recipe has in it. What might taste good with one might not taste good with the other. It never hurts to experiment, but I wouldn't make any promises that it'll still be good.
Find out what he likes to eat. If he can't get around much and he doesn't have anyone to go out for him, he probably can't get his favorite snacks very often.
Get him one of those grabber things to help him pick things up off the floor. My old grandmother can't live a day without her heating...