Preheat the oven to 180℃/360℉
Boil potatoes in a pot until tender.
Heat the oil in a pan and sauté potatoes, sausages and onions. Once cooked, add Teriyaki Soy Sauce and cook until the liquid evaporates.
Transfer (3) to an oiled casserole dish and top with cheese. Bake until the top is browned. Sprinkle parsley on top and serve.
