Make the salad. Chopped tomatoes, cucumber, red bell pepper, and green onions into ¼” to ½” (6-12mm in size) pieces, keeping them uniform. Into the large bowl with the dressing, add all the salad ingredients, toss to coat the vegetables and herbs. Taste and adjust the seasoning.
4 medium tomatoes, 4 Persian cucumbers, 1 red bell pepper, 3 green onions, ¼ cup flat-leaf parsley, ¼ cup fresh mint