Tortellini Pasta Salad with Za'atar Dressing

-1 Cook the tortellini as instructed on package. Drain and set aside. 
-1 Dice the cucumbers, peppers and red onion and add them to a large salad bowl with the tortellini, chickpeas, sliced olives and parsley. 
-1 Prepare the lemon za'atar dressing by combining all of the dressing ingredients together in a small bowl or jar, and whisk or shake together until evenly incorporated. 
-1 Pour the dressing over the tortellini salad and toss to combine. Serve cold or at room temperature. 
-1 Leftovers can be refrigerated for up to 4 days.