1. 1. Preheat the oven to 400°F (200°C).

2. 2. Cut the zucchini and eggplant into bite-sized pieces.

3. 3. Halve the cherry tomatoes.

4. 4. Toss the zucchini, eggplant, and cherry tomatoes with olive oil, salt, and pepper.

5. 5. Spread the vegetables on a baking sheet in a single layer.

6. 6. Roast in the preheated oven for 20-25 minutes, or until the vegetables are tender and slightly caramelized.

7. 7. Serve hot as a side dish.