In a large saucepan, heat the oil over medium heat. Cook the onions until translucent and fragrant.
Mix in the garlic and cook for around 2 minutes.
Mix in the pasta sauce, chili powder, cumin and herbs de provence. Cook for an additional 2 minutes.
Add in the beans, vegetable broth and sweet potatoes. Cook for around 5 minutes.
Mix in the quinoa and continue cooking for around 20 minutes, stirring frequently until the sweet potatoes and quinoa are cooked. Add more water until the chili reaches your desired consistency.