1 tablespoon olive oil, , 3 pounds bone- in beef short ribs, trimmed, 1 teaspoon ground cumin, divided, 1 teaspoon salt, divided, 1\2 teaspoon black pepper, divided, 2 medium onions, halved and thinly sliced, 10 cloves garlic, thinly sliced, 2 tablespoons balsamic vinegar, 2 tablespoons honey, 1 cinnamon stick, 2 whole Star anise pods, 2 large sweet potatoes, peeled and cut into 3\4 inch cubes , 1 cup beef broth.
