Mix together all the ingredients and we let them rest for about 10-15 mins, so that the chia seeds have a chance to hydrate.Cover a baking tin with baking paper and we place in the composition, which we put in a thin layer of 5 to 10mm.Slice it with a sharp knife and place it in the oven (150 Degrees C) for 20-30 mins . After they have cooled down, you can enjoy them.