Local author and healthy cooking instructor Tess Challis will offer a free demostration — “Nori rolls with lemon-lime soy sauce and ginger wasabi” — 10 a.m.-noon at Joy’s Natural Foods, 117 Navajo Trail Drive.

Challis will demostrate how to make regular sushi and inside-out sushi (uramake-zushi). Free samples will be available.

For information, call 264-0103.