In a large pot, heat oil over medium-high. Add carrots, celery, and onion and cook until onion is translucent, about 6 minutes. Add garlic and thyme and season with salt and pepper; cook until fragrant, about 3 minutes. Add beans, tomatoes, broth, and parsley and bring to a boil. Reduce heat and simmer until vegetables are tender, 25 to 30 minutes. Season to taste with salt and pepper. Divide soup among four bowls and serve with Parmesan.
This recipe is great on a chilly evening. Pair it with some crusty bread and wine and you've got yourself a good night. I also like to make extra and pack it with a half sandwich for lunch. Hearty and healthy!