Cook the Tortellini according to the package directions. Drain well, rinse and drain well again. Place in a large bowl.
Quarter the zucchini lengthwise and chop into 1 inch pieces. Spread out on a baking sheet and spray with non-stick cooking spray. sprinkle with Italian herb blend. Roast at 375 degrees for 15 minutes turning once to brown both sides. Add to the bowl .
Slice the red onion into thin vertical slices. Toss with a little vinegar and set aside for 15 minutes. Blooming makes raw onion less strong tasting. Drain the onion and add to the bowl.
Add the chick peas, olives, tomatoes, and pepper rings to the bowl and toss to combine everything.
Shake the Pesto Dressing ingredients in a jar with a tight fitting lid. Pour about half of the dressing over the salad and toss to coat well. Cover the bowl and chill for several hours.
About 30 minutes before serving remove the bowl from the refrigerator and add the remaining dressing. Toss again.
To serve: Place a couple of handfuls of the lettuce blend on each of the plates. Top with the tortellini salad and sprinkle with the Romano. A generous sprinkle of black pepper is a nice finishing touch.