Deep-fried Hash Browns

• 2 medium onions, peeled and thinly sliced
• 30 g butter
• 1 kg larg

Heat the butter in a pan and cook the onions slowly until they are soft.

Put the onions into a bowl, add the grated potato and mix them together with the egg white.

Stir in the mashed potato, the potato flour, celery salt and seasoning.

If the mixture is a little wet, add more potato flour.

Pre-heat a deep-fat fryer to