Before you make sourdough bread, you need a sourdough starter. This is easy as pie, except it takes five days! Firstly on Day 1:

  • 50g strong white bread flour
  • 50ml water

Mix, put in a covered bowl and leave in the fridge. On Day 2, add:

  • 50g strong white bread flour
  • 50ml water

Mix, put in a covered bowl and leave in the fridge. On Day 3, add:

  • 50g strong white bread flour
  • 50ml water

Mix, put in a covered bowl and leave in the fridge. On Day 4, add:

  • 50g strong white bread flour
  • 50ml water

Mix, put in a covered bowl and leave in the fridge. On Day 5. add:

  • 50g strong white bread flour
  • 50ml water

Now your starter is ready to be used in a levain, the first part of making the sourdough bread.