1. In a bowl, put all the ingredients. Mix well.
2. On a baking sheet, put a greaseproof paper and place portions of the mixture, and shape it into a cookie.
3. Put them in the oven preheated to the maximum for 15 minutes (if when you take them out you see that they are not ready yet, leave them for another 3 or 4 minutes).
4. Remove and let cool to room temperature.