Add vegetable stock, water, tomatoes, celery, carrots, onion, parsley, basil, oregano, thyme, rosemary, bay leaves and sugar to a 6 or 7-quart slow cooker. Season with salt and pepper to taste and cook on low heat 6 - 8 hours or high 3 - 4 hours.

Add in zucchini, pasta, garlic, kidney beans and white beans and cook on high heat and additional 30 - 40 minutes until pasta is tender. Stir in spinach and Italian green beans and cook several minutes until heated through. Stir in more vegetable broth or water to thin if desired. Serve warm topped with Romano cheese.