Prep time: 20 minutes  Cook time: 7 to 9 hours  Servings 8 8 new potatoes, quartered 1/2 cup chopped onion 3 medium carrots, sliced on the bias 4 to 8 oz. mushrooms, sliced 1 can (14  oz.) diced tomatoes, with juice 1 can (10 oz.) beef broth 1 Tablespoon Worcestershire sauce 1/2 cup flour 1 teaspoon…