Tuscan Beef stew on mashed potatoes

Spray Dutch oven with oil and brown beef but not cooked entirely. Remove and set aside. Cook onion, celery, carrot until done and add garlic for one minute. Add tomato paste and cook one minute. Deglaze pan with balsamic. Add broth and tomatoes and scrape bottom of pan. Add everything else except beans and simmer covered for 40 minutes. Uncover, add beans and simmer 30 more minutes. Serve over potatoes.