Refresh your starter(7am)
33g fridge kept 100% levain
33g water
33g organic white flour
mine takes 5-6h to double in size
At lunchtime mix:
350g white organic flour
150g wholemeal org flour
300g water
let rest (autolyse) for 30m-1h
Then add
10g salt
100g bubbly starter
50g water
Mix well
Let rest and fold every 30m for 3h
Shape , let rest for 3h in a floured banneton and bake at 220C steam on for 25m and 35m at 190 steam of for a nice crust