Cook pasta per package directions, rinse and drain. Place the pasta, tomatoes, corn, green and red peppers, green onion, red onion and cucumber in a medium-mixing bowl. To prepare the dressing, place all ingredients in a blender and pulse several seconds, or place in a sealed glass jar and shake vigorously to mix. Pour the dressing over the salad and toss to mix. For the best flavor, chill 1 hour before serving or it can be serve at room temperature.
Note: For a spicy flavor, add a very small pinch of cayenne pepper to each individual serving and toss to mix.
Per serving - 366 calories, 10 g fat (24% calories from fat), 15 g protein, 56 g carbohydrate, 10 g fiber, 0 mg cholesterol, 431 mg sodium