Gnocchi - cooking recipe

Ingredients

2 lb. 3 oz. old floury potatoes
salt
9 oz. flour
1 egg
1/4 lb. grated Parmesan
2 oz. butter
pepper

Preparation

Peel the potatoes and boil them in salted water.
When they are thoroughly cooked, puree them, then while they are still hot, incorporate the flour and lightly beaten egg until a smooth paste is obtained.
Leave them for 30 minutes.