1. Spray a large, heavy-bottomed pot with non-stick cooking spray. Saute onions, carrots, and garlic until onions are translucent (4-5 minutes).
2. Stir in tomato paste and cook until fragrant (1-2 minutes). Add broth and stir to deglaze.
3. Add cabbage, green beans, basil, oregano, and pepper. Simmer until all vegetables are tender (10-15 minutes). Add the zucchini and simmer until tender (5-7 minutes).