Heat 1 cup of cream and nut nougat cream while stirring, let it melt and let it cool down. Whip the rest of the cream until stiff. Peel bananas and sprinkle with lemon juice. Arrange one banana, one ice-cream scoop and some cream each on an oblong dessert plate.
Pour the sauce over it. Chop the pistachios coarsely and sprinkle on top.