Step 1) Heat 1 tablespoon oil in large skillet over medium heat. Add garlic and cook 30 seconds, stirring frequently. Add chicken, half at a time. Cook, stirring for 2 to 3 minutes; remove from skillet.
Step 2) Add remaining 1 tablespoon oil. Add tomatoes, onion and zucchini; stirring frequently, cook 3 minutes or until tender.
Step 3) Stir orange juice, corn starch and salt in a small bowl until smooth. Add to vegetables in skillet. Stirring constantly, bring to a boil and boil 1 minute.
Step 4) Add chicken; reduce heat and simmer 1 minute. Stir in basil.