All purpose flour Unfed sourdough starter Parmesan cheese Fresh herbs Olive oil
Add all of the ingredients into a large bowl. Carefully mix until just combined, then cover the bowl with plastic and leave the dough to chill in the fridge for 1 hour.
Use a small cookie cutter or knife to cut out your chosen shapes.
Line the crackers on a baking sheet pan. Brush each one with olive oil (or melted butter) and sprinkle salt on top of the dough.