01 - 
                Preheat oven to 180°C. Lightly coat a 23x33 cm baking dish with cooking spray to prevent sticking.
              
              
              
                02 - 
                Combine soy sauce, 120 ml water, brown sugar, ground ginger, and minced garlic in a small saucepan. Cover and bring to a boil over medium-high heat. Once boiling, uncover and simmer for 1 minute.
              
              
              
                03 - 
                In a small bowl, whisk together cornstarch and 2 tablespoons cold water until smooth. Gradually stir this mixture into the boiling sauce. Continue stirring until the sauce thickens. Remove saucepan from heat.
              
              
              
                04 - 
                Place chicken breasts in the prepared baking dish. Evenly distribute the stir-fry vegetables around the chicken. Pour about 240 ml of the prepared sauce over the chicken and vegetables.
              
              
              
                05 - 
                Cover baking dish with foil and bake for 30 minutes, or until chicken is cooked through (internal temperature reaches 74°C).
              
              
              
                06 - 
                Carefully remove the foil, allowing steam to escape. Using two forks, shred the chicken directly in the dish while still hot.
              
              
              
                07 - 
                Add the cooked rice and most of the remaining sauce (reserve a small amount for garnish) to the baking dish. Mix thoroughly until evenly combined.
              
              
              
                08 - 
                Return the baking dish to the oven, uncovered, and bake for an additional 10 minutes or until heated through.
              
              
              
                09 - 
                Let the casserole rest for 5 minutes. Drizzle with the reserved sauce before serving.