Shaved Potatoes

• 1 litre (35 fl oz/4 cups) fresh seawater, passed through muslin (cheesecloth)
• 1

Bring the seawater to the boil.

Using a mandoline, thinly shave the potato into 16 discs about 1 mm (1/32 inch) thick. Blanch for 35 seconds in the boiling seawater. Drain and spread in a single l