In a large skillet, heat up 1 tablespoon of olive oil over medium heat Add ground chicken and cook until it is browned - about 8 minutes Remove and set aside. Add remaining olive oil to skillet along with carrot, onion, and celery - cook for 10-15 minutes, until tender. Mince garlic, and add it to skillet, cooking for another minute In separate bowl, mix together the tomato sauce, ketchup, vinegar, mustard, chili powder, brown sugar, Worcestershire, paprika, cumin, and salt and pepper. Add mixture to skillet, along with chicken and cook for another 5 minutes, or until the cause has thickened. Distribute evenly over your Turano buns and enjoy!