In a large skillet, heat oil over medium-high heat. Sprinkle meat with 1/2 teaspoon salt and 1/4 teaspoon pepper; brown meat in batches. Transfer beef to 4-qt. slow cooker. , Add carrot, onions, garlic and remaining salt and pepper to skillet; cook and stir until golden brown, 4-6 minutes. Add tomato paste; cook and stir until fragrant, about 1 minute. Add wine, stirring to loosen browned bits from pan; bring to a boil. , Transfer meat mixture, tomatoes, broth and seasonings to slow cooker. Cook, covered, on low 5-7 hours or until tender. Discard bay leaf. Serve with hot cooked pasta or mashed potatoes. If desired, sprinkle with fresh thyme.