Gelatin to dissolve the cooled boiled water, let it stand to swell then dissolve on a water bath. Banana with yogurt to whip a blender, add the prepared jelly and continue to beat until fluffy mass, then pour into cups and place in the cold 40 min. before serving remove from the Cup dessert, place on a plate decorate with wafer rolls, the dessert, you can pour the sauce on top. Bon appetit!