Hakka Steamed Salted Chicken / 客家蒸盐鸡

Name: Hakka Steamed Salted Chicken / 客家蒸盐鸡
Cuisine: Asian, Korean
Ingredients: 1 whole bird of good Kampong Chicken, weight about 1.5kg; 60 grams of Sea Salt (or 50g table salt); 2 stalks of Spring Onions; 3 to 4 thick slices of Ginger; optional accompaniment; 100g Old Ginger; 25g Spring Onions (or more), chopped; 2 tbsp Cooking Oil; 1 tbsp Sesame Oil; ½ tsp Salt, or more to taste; ½ tsp Sugar, or more to taste