1. Preheat oven to 400 degrees Fahrenheit (200 degrees Celsius).
2. Spread frozen broccoli on a baking sheet and drizzle olive oil, salt, and pepper. Roast for 30 minutes or until charred.
3. Meanwhile, mix dressing ingredients.
4. In a large bowl, mix pasta, broccoli, cut vegetables, roasted chickpeas, feta, and dressing. Keep in the fridge until ready to use.