Rub salt and pepper over lamb. In a large skillet, heat butter over medium-high heat; brown meat. Transfer meat to a 6- or 7-qt. slow cooker. Add wine to skillet; cook and stir 1 minute to loosen brown bits. Pour over lamb. Add the parsnips, carrots, turnips, tomatoes, onion, garlic and broth. Cook, covered, on low 6-8 hours or until meat is tender. , Remove lamb; keep warm. Stir in peas, parsley and rosemary; heat through. Serve lamb with vegetables.