(I still remember hearing the parents' comments: "You got my child to eat WHAT?", and "He won't eat rice at home for us", etc.)
I stuck with fillings I knew they loved: carrots, cucumber, and tomato.
Still, I find myself shocked that my four children love this same sushi. I have never gotten really creative with fillings, although they loved the imitation crab meat in there, and we do keep ginger and wasabi on hand to compliment the rolls.
Find other real food appetizer recipes at Whole Foods for the Holidays: A Real Food Progressive Dinner, hosted by Kitchen Stewardship this week.