1Spray 4- to 5-quart slow cooker with cooking spray. In slow cooker, mix beef, water, broth, soy sauce, rice wine, tomato paste, gingerroot, bean paste, sugar, five-spice powder and half of the sliced green onions. Cover; cook on Low heat setting 8 to 9 hours or High heat setting 4 to 5 hours.
2Separate thin Chinese broccoli stems from large stalks; discard large stalks. Cut small stems, florets and leaves into 2-inch pieces; stir into beef mixture. Cover; cook about 10 minutes longer or until broccoli is crisp-tender.
3Meanwhile, cook and drain noodles as directed on package. Rinse with cold water; drain.
4Divide noodles among bowls; ladle soup mixture over noodles. Top with remaining sliced green onions.