-faux meats + cheese (sub or not) + lettuce
-some people like pb&j on them
-refried beans + rice (I like these cold, but that's me)
Soft Pretzels with mustard and nutritional yeast
Tomato sandwich (tomato, mayo (or sub), and salt) plus whatever veggies you like
Soups in a thermos + bread, cornbread if chili... etc.
a big tupperware container of salad
-spinach, golden raisins, pine nuts, a sweet-ish vinagarette (like raspberry)
-greens, corn, chickpeas, peppers... etc. southwest-ish salad
-Asian salad: baby corn, bamboo shoots, watercress, crispy noodles... etc.
Chickpea "tuna" salad sandwich (there's lots of recipes for this)
veggie sushi? (I've never made it but you can get it at some places, too)