Hazal (Turkish sweet) recipe

250 gr. margarineFilled with 4 tablespoons flour
 1.000 ml milk 
250 gr. petit beurre biscuits
 1 cup sugar
 1 vanillaIn additionBananaWalnuts,
hazelnuts,
almonds, chopped
Let's see how they madeCrush the biscuits to a powder.Lay the biscuits on a baking sheet evenly.Melt the butter in a saucepan and add flour, milk, sugar and vanilla, stirring constantly until thick as cream.Remove from heat and allow to cool the cream, stirring frequently to avoid catching crust.Carefully spread the cream over the cookies.Place the pan, since skepasoumemememvrani the refrigerator 7-8 hours.Cut into oblong pieces about 2 fingers.Intermediate to put banana slices and nuts.Wrap rolls and serve!