MIX cornstarch and broth until blended. Add 2 Tbsp. dressing, soy sauce, 1 tsp. five-spice powder and crushed pepper; mix well.
COMBINE meat, bread crumbs and remaining dressing and five-spice powder; shape into 1-inch balls.
COOK noodles as directed on package, omitting salt. Meanwhile, heat oil in large skillet on medium-high heat. Add meatballs; cook 10 min. or until evenly browned, stirring occasionally. Remove meatballs from skillet. Add carrots to skillet; cook and stir 4 min. Stir in snow peas and onions; cook and stir 1 min.
RETURN meatballs to skillet. Stir in broth mixture. Bring to boil; simmer on medium heat 4 min. or until meatballs are done (160ºF) and sauce is slightly thickened, stirring occasionally.
DRAIN noodles. Add to ingredients in skillet; stir.