A roasted vegetable quinoa bowl is a hearty and nutritious meal that is easy to make. Preheat your oven to 425°F (220°C). Toss chopped vegetables like bell peppers, zucchini, and eggplant with olive oil, salt, and pepper. Spread the vegetables in a single layer on a baking sheet and roast them in the oven for about 20-25 minutes, or until they are tender and slightly caramelized. Meanwhile, cook quinoa according to package instructions. In a bowl, combine cooked quinoa with the roasted vegetables. Drizzle the bowl with a simple vinaigrette made with olive oil, lemon juice, and Dijon mustard. This roasted vegetable quinoa bowl is a delicious and nutritious option for lunch or dinner.