1. Cook noodles according to package directions. Drain and rinse; drain well.
2. Combine chicken broth and next 4 ingredients (through 1/4 teaspoon five-spice powder) in a small bowl, stirring with a whisk.
3. Heat a large wok or skillet over medium-high heat. Add lamb; cook 2 1/2 minutes or until browned, stirring to crumble. Remove lamb from pan with a slotted spoon; set aside.
4. Return pan to medium-high heat. Add oil to drippings in pan; swirl to coat. Add cumin and red pepper; cook 30 seconds or until seeds begin to pop, stirring frequently. Add vegetables to pan; cook 5 minutes, stirring frequently. Add lamb and broth mixture; cook 1 1/2 minutes or until liquid is slightly reduced. Serve over noodles.