In a mixer blend for 2-3 minutes the dried fruit with sugar and half egg whites. Transfer the mixture into a bowl, add the mixture for gluten-free cakes and the remaining egg whites and mix well with a whisk.
Spread the compound on a plate covered with oven paper and with the help of a pastry ring of about 10 cm in diameter get 10 discs. Cook in preheated oven at 180ºC for about 10 minutes. Roll the wafers around a rolling pin covered with oven paper or lightly greased with oil and cool them in the Freddy with the function of blast chilling for 15-20 minutes.
Pour into a saucepan the sugar, egg yolks, corn starch and warm milk flush and mix well with a whisk to obtain a smooth and homogeneous mixture. Cook over low heat, stirring, until thickened, add lemon juice and oil and cook for another minute. Fill the waffles with the lemon cream and decorate with the pistachio.