in small bowl combine honey, 1 tbls vinegar, oregano, and garlic powder. pour 3 tbls marinade into a large resealable bag. add vegetables. seal bag and turn to coat, refrigerate for 1 1/2 hours. cover and refrigerate remaining marinade.

place vegetables on a grilling grid. transfer to grill rack. grill covered over medium heat for 4-6 minutes on each side or until crisp-tender

transfer to large serving platter. combine reserved marinade and remaining vinegar, drizzle over vegetables. sprinkle with salt and pepper

if you don't have grilling grid use disposable foil pan and poke holes in it with a meat fork for liquid to drain