Ingredients:
250gm minced beef
250gm minced pork
1 egg
200-300ml cream and water (or milk and water)
2.5 tbsp. finely-chopped onion
50ml unsweetened rusk flour
2 cold boiled potatoes
4-5 tbsps butter, margarine or oil
Salt and pepper

for the cream sauce:

Ingredients:
100ml cream
200ml beef stock
Chinese soya sauce

1 tbsp white flour
Salt, white pepper