Wash the potatoes.
Peel the potatoes.
Grate the potatoes on the rough side of the grater.
Place the grated potatoes in a large bowl.
Peel and grate the onion.
Add the grated onion to the grated potato.
Lightly beat the 2 eggs.
Measure out 1/3 cup of flour.
Add the eggs, flour and salt to the bowl with the potato and onion.
Mix together well.
Place 1/4 cup fulls into a hot fry pan with a little olive oil and butter. Flatten them out a little bit.
Fry for about 3-5 minutes on each side on a medium to high heat until golden.
Drain on paper towels.