1. Heat a large pot over medium heat. Add a splash of oil or water and sauté the onions, carrots, and celery until softened, about 5 minutes.
2. Add the garlic and cook for another minute until fragrant.
3. Stir in the potatoes, vegetable broth, thyme, and rosemary. Bring to a boil, then reduce heat and simmer for 15 minutes, or until the potatoes are tender.
4. Add the vegan chicken and frozen peas. Cook for another 5 minutes until heated through.
5. Season with salt and pepper to taste. Serve hot.