Place potatoes in a large pot and cover with cold water.

Bring to a boil and cook until fork tender, about 40 minutes.

Put scallions in a small saucepan.

Cover with milk.

Bring to a gentle boil then reduce heat and simmer for four minutes.

Set aside the milk and scallions.

Heat a large frying or grill pan over medium high heat.

Grill sausages until cooked through, about 10 minutes per side depending on size of sausages.

Transfer baked potatoes to a large bowl.

Coarsely mash potatoes.

Add hot milk with scallions and butter to the mashed potatoes.

Beat together until mixed and potatoes become fluffy.

Season potatoes with salt and pepper.

Sprinkle with parsley.

Serve champ hot, alongside grilled sausages.