Place all the ingredients in a bowl and stir them well until they become dough. 
Place them in a parchment paper and roll them. Freeze them in the refrigerator for 30' until the mixture thickens. 
Cut them in very thin slices and put them on 2 cooking sheets using parchment paper. Cook very well in a preheated oven to 180 ° for approximately 13'.
Let them cool off and become crispy.