Mix 12 egg whites with mixer nicely till you get strong foam.
Then add 150 gr. of sugar and mix to get a nice solid mixture.
Then add 1 yolk and mix nice, and add 150 gr.chopped walnuts , 150 gr. cleaned and chopped dates, 50 gr.raisins and 3 tablespoons of flour, mix nicely and slowly.
We put the mixture in a pan ( 40 × 42) and we bake 30 minutes on 150 degrees .