Salt-baked potatoes

• egg whites↗2 pcs

  lightly beaten with a fork

• sea salt↗4 tbsp tbsp
• large baking potatoes↗8 pcs

  each pricked 2-3 times with a fork

• butter↗

  to serve, if you like

Step-by-step instructions

1. 1

   Heat oven to 160C/140C fan/gas 3. Put the egg whites and salt in 2 shallow bowls. Dip each potato into the egg white to completely cover, then dab into the salt to cover in patches. Carefully put the potatoes onto a baking sheet, pressing on any remaining salt, then bake for 1½ hrs.

2. 2

   Bake them for a further 1 hr at 200C/180C fan/ gas 6. Scrape off as little or as much of the salt as you like before eating.