In a Dutch oven, cook bacon over medium heat until crisp. Remove to paper towels; drain, reserving 3 tablespoons drippings. Chop the onions, carrots, celery, parsnips and turnips; add to the pan. Cook and stir for 6-8 minutes or until fragrant., Sprinkle vegetables with flour, salt and cayenne; stir until blended. Gradually add broth. Bring to a boil; cook and stir for 2 minutes or until thickened. Stir in the sweet potato, potatoes, bay leaves, Worcestershire sauce and pepper sauce., Reduce heat; cover and simmer for 15-20 minutes or until potatoes are tender. Stir in cream and parsley; heat through. Discard bay leaves.