Brush pita with oil on both sides, then sprinkle on the seasoning evenly. Toast until crisp in the toaster oven or in a pan on the stove.
Wash lettuce and pat dry.
Whisk together dressing and set aside.
Cut tomatoes in wedges, slice peppers and onions and cut the cucumber into cubes.Shred the Parmesan cheese.
Combine lettuce, veggies, and cheese in a salad bowl. Scrape any tomato juices leftover into the dressing and whisk.
Cut toasted pita to crouton size
Combine all ingredients and toss!