Cook the rotini as directed on package.
Rinse all the veggies
Rinse, drain, and cool the pasta.
Roast/or grill the zucchini, eggplant, pepper, and tomato (optional) with 1/2 of the thyme, salt, and olive oil, reserving the rest for the dressing.
When the roasted veggies are done set aside to cool.
Cut up the cucumber and any other of the fresh veggies in small bite sized chunks
Add the rest of the olive oil, thyme, and salt, along with the garlic powder, onion powder, celery salt, red pepper flake
Cut the roasted veggies into bit sized pieces
Pour the dressing into the pasta
Add in the roasted vegetables and olives, mix lightly.
Add the feta cheese not mixing but folding it into the salad.
Taste and adjust if you want more salt, dressing or heat.
If you are carrying this salad the best way to use an oversized baggie and pour it into the container when you arrive.