– all purpose flour – water – sourdough starter – salt
Mix all the ingredients. This includes the all-purpose flour, water, starter, salt, and fresh rosemary. Make sure everything is well combined.
Three hours after the second round of stretch and folds, shape the dough. Place it into a banneton basket, cover it with something airtight, and put it in the fridge for at least 8 hours and up to 72 hours.