Cook vermicelli to desired doneness as directed on package. Drain; cover to keep warm.
Meanwhile, in small bowl, combine orange juice, cornstarch, five-spice powder, red pepper flakes, soy sauce and honey; stir until well blended. Set aside.
Spray large nonstick skillet with nonstick cooking spray. Heat over medium-high heat until hot. Add mushrooms, carrots, onion and garlic; cook and stir 4 minutes.
Add broccoli; cover and cook 2 to 4 minutes or until vegetables are crisp-tender, stirring occasionally. Add orange juice mixture; cook and stir 2 to 3 minutes or until bubbly and thickened. Serve over cooked vermicelli.