Peel, cube, and boil the potatoes until tender.

Peel and dice the onions.

Cube the uncooked sausage (if using).

Fry the sausage in a pan until cooked through (if using uncooked sausage).

Melt the margarine in a large pan.

Lightly sauté the onions in the melted margarine until translucent.

Add the boiled and browned potatoes to the pan with the onions.

Mix the eggs and milk in a bowl.

Season the egg mixture with salt, sweet paprika, ground nutmeg, and pepper to taste.

Add chopped chives and pre-cooked sausage (if using) to the egg mixture.

Pour the egg mixture over the potatoes and onions in the pan.

Cook until the eggs are set, stirring occasionally to ensure even cooking.