* 10g fresh Yeast
* 600g Sparkling mineral water
* 500g very strong bread Flour, eg Waitrose Very Strong Canadian Bread Flour
* 12g Salt

===Method===
* Dissolve the Yeast in the water.
* Pour into a bowl and add 250g of the Flour.
* Mix well, cover in Clingfilm and leave overnight at room temperature.
* The following morning add the remaining Flour and the Salt.
* Mix for about 5 minutes on the second slowest speed.
* Cover and leave to rest for 2 hours.
* Grease a 900g loaf tin with Oil - Groundnut oil is best as it has a high smokepoint.
* Pour the Dough into it (it should come up to about three-quarters of the tin.
* Allow to prove for 1 hour, covered.
* Meanwhile, place a tray or pan of Boiling water in the bottom of the Oven.
* Switch on the Oven to its highest temperature.
* When the Dough has finished Proving, sprinkle with Flour, put it in the Oven and reduce the temperature to 190° C (375° F - gas 5), [fan oven 170° C & reduce cooking time by 10 mins per hour].
* Bake for 60 minutes.
* Once Baked, turn out onto a Cooling rack and allow to cool.
* If the bread is a little soft on the bottom, turn it over, place on a baking tray and return to the oven for 10 minutes or so until crisp.

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