Preheat the oven at 180C (we will use a large baking tray, make sure it is already inside the oven, we want it piping hot for a later step)
Add all your ingredients into a food processor and blitz.
Cut 2 large pieces of baking paper and use one for your surface.
Add the dough, flatten it out a bit with your hands then add the second baking paper sheet on top.
With a rolling pin (or a long robust glass!) roll out the dough until it becomes very thin.
Remove the top layer of baking paper and with a knife cut the dough into small squares (and if you really want to go the extra mile, with a toothpick, make a tiny hole in the center).
Transfer the whole thing to a large baking baking tray, make sure the tray is piping hot.
Bake for 15 mins at 180C (times might change slightly based on your rolling skills , if the dough is too thick it will take a bit longer to bake, just keep an eye).
For a better and crunchier result, once the oven is off, I left the oven door open and let the crackers cool down into the oven.