2. In a saucepan, bring the water to a boil. Add the quinoa, reduce heat to low, cover, and simmer for 15 minutes.
3. In a large pan, heat the olive oil over medium heat. Add the chopped onion and garlic, and sauté until softened.
4. Add the bell pepper and zucchini to the pan. Cook for about 5-7 minutes, until tender.
5. Stir in the cherry tomatoes, cooked quinoa, salt, and black pepper. Cook for another 2-3 minutes, until everything is well combined and heated through.