Add grated cheese, flour, butter and seasoning if using to a blender and blend until mixed.
Add in 1tbsp water at a time and blend until the mixture comes together to form a dough.
Cover & place the dough into the fridge for 30 mins.
Preheat the oven to 180c.
Roll the dough out on a floured surface until it is about 3-4mm thick and cut into cracker shapes. You can use a mini cookie cutter or even just simple squares.
Place evenly on parchment paper on a tray and cook for 10 mins.
Allow to cool on the tray fully before transferring to an airtight container.