Preheat oven to 400 degrees. Combine milk and corn in a large saucepan; bring it to a boil. Cover, reduce the heat, and simmer 15 minutes. Remove from the heat, let stand covered, 5 minutes. Place the corn mixture in a food processor; process it until smooth. Stir in the basil, 1 teaspoon of the sugar, and 1/2 teaspoon salt. Combine broth, onion, bell pepper, carrot, black pepper, garlic and bay leaves in a large saucepan. Bring it to a boil. Cover, reduce heat, and simmer 15 minutes. Add remaining 1/2 teaspoon salt, chicken and parsley. Cover and cook 10 minutes or until chicken is done. Drain, discard bay leaves. Place chicken mixture in the bottom of an 8-inch-square baking dish coated with cooking spray. Top with the corn mixture; sprinkle evenly with remaining 1 teaspoon  sugar. Bake at 400 degrees for 25 minutes. Preheat broiler.  Broil 3 minutes or until lightly browned.