Bring a large soup pot or Dutch oven to a medium heat with oil. Add chopped onions, carrots, celery, minced garlic, and a pinch of salt. Saute for several minutes, until the onions are translucent and fragrant.
Add wild rice, rosemary, thyme, herbs de Provence, and pepper. Stir and saute for a couple minutes more.
Add 8 cups of water and Better Than Bouillon no chicken base. Stir and bring to a low simmer.
Cook for about 40 minutes, stirring occasionally, until the wild rice is tender. Once the rice can be bitten easily, continue with the recipe.
Add diced chicken seitan, cashew cream, and chopped curly kale. Bring back to a low simmer, and cook for another 10 minutes. This allows the kale to soften, the flavors to meld, and the soup to thicken in creaminess.
Once the soup has thickened a little, add more salt and pepper to taste. Then serve.