Preheat the oven to 400oF
In a large bowl, crush the tomatoes with your hands and add in the, garlic, broth, Worcestershire sauce, arrowroot, salt, and season with pepper.
Place the beef and carrots in a 9 x 13 baking dish and evenly pour over the broth mixture. Cover with foil and bake for 1 hour.Uncover, fold in the potatoes, and cook another 60 to 80 minutes (uncovered) or until meat and potatoes are tender, stirring halfway through. Uncover, taste, and if needs more salt, season with more salt and then add the zucchini and give a big stir to combine. Let sit for 10 minutes for the zucchini to soften.Garnish with basil and serve.