Tagine with Beef, Zucchini and Beans

Rinse meat, pat dry and cut into bite-sized cubes. Rinse tomatoes, remove stems and cut into small cubes. Peel onions, halve and cut into strips. Peel garlic and chop finely. Heat oil in a tagine or casserole dish. Brown meat on all sides. Add onions, garlic, tomatoes, ginger, turmeric, cumin powder and cinnamon. Saute briefly. Add tomato paste, saute and add broth. Season with salt and simmer, covered, for about 45 minutes on low heat. Add broth as needed. Rinse and peel beans. Rinse and dry zucchini, quarter lengthwise and cut into 5 cm (approximately 2 inch) long pieces.Add beans and zucchini about 15 minutes before the end of cooking.