Thai Chicken Stir-fry with Basil & Mint

Name: Thai Chicken Stir-fry with Basil & Mint
Prep time: 10 min
Cook time: 5 min
Total time: 15 min
Cuisine: Thai
Ingredients: 12 oz. boneless skinless chicken breast or thighs ((340g, sliced into thin strips)); 1 teaspoon cornstarch; 1 teaspoon vegetable oil ((plus 2 tablespoons)); 3 cloves garlic ((thinly sliced)); 1 small onion ((thinly sliced)); 1 fresh holland or Thai bird chili ((de-seeded and thinly sliced)); 2 teaspoons soy sauce; 1 teaspoon dark soy sauce; 2 teaspoons oyster sauce; 1 tablespoon fish sauce; ½ teaspoon sugar; 1 cup fresh Thai basil leaves; 1 cup mint leaves