Gnocchi (Potato Dumpling)

Ingredients:
- 5 white potatoes (medium)
- 1 1/2 c. flour
- 1 egg
- salt
- Parmesan cheese

Directions:
- Cook potatoes; drain and mash.
- Let the potatoes cool.
- Add the egg and mix well.
- Add all flour until stiff enough to handle without sticking.