01 - Preheat oven to 200°C (400°F). Line a baking tray with parchment paper.
02 - Toss zucchini, bell peppers, onion, and cherry tomatoes with olive oil, oregano, salt, and pepper. Spread evenly on the tray.
03 - Roast for 25–30 minutes, stirring once, until vegetables are tender and slightly charred.
04 - Meanwhile, cook pasta according to package instructions until al dente. Drain and return to the pot.
05 - Add roasted vegetables, crumbled feta, and balsamic vinegar (if using) to the pasta. Toss gently to combine.
06 - Adjust seasoning, drizzle with a little olive oil, and sprinkle with fresh herbs. Serve warm or at room temperature.