Heat 3 tsp oil in large saucepan over high heat. Add chicken; cook, stirring occasionally, for 3 to 5 minutes or until no longer pink. Stir in zucchini and carrot; cook, stirring occasionally, for 2 to 3 minutes or until carrot is crisp-tender. Stir in 3 Tbsp seasoning sauce and cornstarch mixture; stir until sauce has thickened and coats chicken. Cover; remove from heat.
Prepare ramen noodles according to package directions, omitting seasoning packets. Drain noodles; return to pan. Stir in remaining 1 Tbsp seasoning sauce and remaining 2 tsp oil. Place noodles on platter. Top with chicken mixture; sprinkle with sesame seeds.Servings: 4