You might want to look again at the menus of the Epcot restaurants. I am not an adventurous eater, and find plenty to eat there.
Le Cellier, Alfredo's, and the Yakitori House all offer good food that isn't terribly exotic.
Beaches and Cream will be one of the few restaurants open for lunch in the Epcot resort area, and it can be very crowded with a long wait. You could also try ESPN, but it's LOUD and IMHO obnoxious.
Anne