Prepare zucchini and onion by slicing them.

Arrange zucchini and onion on a broiler pan.

Prepare the Italian Herb and Tomato Soup Mix with olive oil.

Brush the zucchini and onion with the Italian Herb and Tomato Soup Mix and olive oil mixture.

Grill or broil the zucchini and onion for 5 minutes, or until golden and crisp-tender.

Cook the penne pasta until al dente and drain.

In a large bowl, combine the cooked pasta, grilled vegetables, diced roasted red peppers, and red wine vinegar.

Toss all ingredients together until well combined.

Serve warm or at room temperature.