1Heat oven to 325ºF. In Dutch oven, mix all ingredients except corn, potatoes and zucchini. Cover; bake 2 hours 30 minutes, stirring 2 or 3 times during the first 1 hour 30 minutes.
2Stir in corn and potatoes. Cover; bake 1 hour to 1 hour 30 minutes longer or until beef and vegetables are tender.
3Stir in zucchini. Cover; let stand 10 minutes before serving.