Asparagus or broccoli drizzled with a bit of olive oil and flavored balsamic vinegar baked or frilled in a foils packet, green beans steamed with sliced garlic, onions grilled with a dab of butter or olive oil, sweet corn, if you microwave or it doesn't need to be slathered with butter to be good. Grill or bake mushrooms, onion and garlic, with a little seasoning. I seal in foil and do this - no mess or pan to clean.
Sliced fresh tomatoes and cucumbers, sprinkled with chili lime salt (we use Tajin from the Mexican grocery). Cole slaw, we add shredded carrots, apples and sometimes craisins or pineapple. Really good whole grain herb or garlic bread, we buy a small pkg and freeze, take out just enough for the meal. Most times we do 2 veggies, salsad and a veggie, or a veggie and a fruit instead of a starch like rice or potatoes.
Sue