Feed you starter in the morning by adding 50 grams of hungry starter, 20g Whole Wheat flour, 30g Bread Flour, and 50g water to a bowl. Mix well and let it rise until it doubles in size. This varies depending on the starter. My starter take about 4 hours to double.
Once doubled and bubbly, add the starter to a large bowl along with Bread flour and water. Cover and let it sit for 1 hour.
Add the salt and mix well. Stretch and fold the dough onto itself all the way around the dough. Cover and let it sit for 30 mins. Repeat this process 4x.
After all the stretch and folds, let it bulk rise until it doubles in size. This can take from 3-6 hours depending on your starter and the temperature in the room.
Once doubled, shape your dough into a ball and place into a banneton that has been sprinkled with Rice flour. Cover and refrigerate for 12-24 hours.
On the day your are going to bake your bread, place your dutch oven into the oven and preheat the oven to 500℉ for 1 hour.
Flip the dough out onto a parchment paper, score it with a blade and place it into the hot dutch oven. Spray the inside of the dutch oven with water and place the cover on and bake for 30 mins at 450℉ and 15 mins to brown.
Place on a wire rack to cool. Try not to cut into it until it has completely cooled. I know that is a tall ask lol!