Ingredients:
- 1 onion, finely chopped
- 1 carrot, finely chopped
- 2 garlic cloves, minced
- 1 zucchini, finely chopped
- 1 (14.5 ounce) can diced tomatoes, undrained
- 4 cups vegetable stock
- 1 cup dried orzo pasta
- 3 cups shredded green cabbage
- 1/2 cup grated Parmesan cheese, plus more for serving