This vegan Chinese vegetable and seitan stir-fry is a delicious and healthy dish that is packed with flavor. The stir-fry features a colorful mix of fresh vegetables, including bell peppers, broccoli, and carrots, along with seitan, a plant-based protein. The dish is seasoned with a savory sauce made from soy sauce, garlic, ginger, and sesame oil, giving it a rich and aromatic taste. Serve this stir-fry over steamed rice or noodles for a satisfying and nutritious meal.