The recipe I used is here. A quicker version is here.
3 cups bread flour (I used King Arthur Bread Flour)
1/4 teaspoon instant yeast (1 packet)
3/4 tablespoon kosher salt (or 1 teaspoon table salt)
1 1/2 cups warm water
Before it rests for 12 hours.
In the dutch oven ready to bake
We have winner. My son loves it :)