Heat olive oil in a Dutch oven over medium-high heat. Add onion; sauté 5 minutes or until lightly browned. Add potato and water; bring to a boil. Cover, reduce heat, and cook 5 minutes. Stir in zucchini and the next 3 ingredients (through Great Northern beans). Cover and cook 35 minutes or until vegetables are tender. Stir in parsley and next 3 ingredients (through pepper). Serve with cheese.