1 (3-4 lb) beef chuck roast
Salt and pepper, to taste
2 tablespoons vegetable oil
1 large onion, sliced
3 cloves garlic, minced
4 carrots, peeled and chopped
3 stalks celery, chopped
1 cup Coca Cola
1 cup beef broth
1 (15 oz) can diced tomatoes
2 tablespoons Worcestershire sauce
1 tablespoon tomato paste
1 teaspoon dried thyme
1 teaspoon dried rosemary
2 bay leaves