Stovetop Vietnamese Ginger Chicken

Name: Stovetop Vietnamese Ginger Chicken
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Cuisine: American
Ingredients: 3 large (1 lb | 453 g) chicken breasts (boneless, skinless ); ¼ teaspoon sea salt; ¼ teaspoon black pepper; 3 tablespoons cornstarch; 1 and ½ tablespoons vegetable oil; 1 and ½ cups 6.77 oz | 192 g carrots (julienne ); 1 medium white onion ( or shallot); ½ cup green onions (chopped with green and white); 2 inches fresh ginger (cut in julienne); ¼ cup brown sugar (1.86 oz | 53 g); ½ cup warm water (4.22 fluid oz | 125 ml); 2 tablespoons fish sauce (substitute soy sauce or tamari sauce)