Giving this post-by-email business a try.
Our oldest starts kindergarten in the fall. And we'll have to send gluten-free lunches (when did we all decide on full-day kindergarten anyway? Also, why won't I ever learn how to spell kindergarten?). So far, my lunch plan includes:
Mac and Cheese
Ham NF Rice
GF crackers w/ meat and cheese
PB&J on gluten-free bread
We need to buy a good thermos or two. And… uh, teach her how to serve herself meals. She's been a twee bit pampered in this area. Ahem.