Mix all the ingredients except the water.
Add the water and mix.
Prep a 22x11cm / 9x4in pan by rubbing a bit of vegetable oil on the walls inside. use it to stick a rectangle of baking paper that goes from one long side of the pan to the other. Fill it up with the mix.
Bake it in a preheated oven at 180°C/350°F for 30-40 minutes or until you feel like it's firm on top.
Slide a thin knife around the edges without paper and unmould. Once totally cool, freeze for at least 2 hours or up to 8 hours.
Slice it very thin using a large bread knife.
Place the slices on a baking tray and bake in a preheated oven at 180°C/350°F for 10-15 minutes or until golden.
Let them cool down completely and eat them as a snack or as part of a cheese platter or board.