Food trucks are popular in Kauai, too. Have your kids try some local fare at Hanalei Taro & Juice Company. The Hawaiian plate lunches include poi, lomi lomi salmon (salmon with tomato and onions) and lau lau (fish or pork cooked in taro leaves).
Hanalei Taro & Juice Company
5-5070 Kuhio Highway, Hanalei, Kauai, 96714, HI