Wash an orange thoroughly, dab dry and rub off the peel. Squeeze all oranges. Fill up the juice with water to 400 ml. Stir 30 g starch with some orange juice until smooth. Boil up the rest of the juice, orange peel and sugar.
Stir in the mixed starch and bring to the boil once. Let the cream cool down. Stir several times in between. Stir sour cream (keep 4 teaspoons) into the cooled cream. Divide into four dessert glasses and leave to set for about 2 hours. Peel the bananas and cut them in half lengthwise. Sprinkle with lemon juice. Stir the remaining starch with a little water until smooth. Turn banana halves in it and fry them in hot butter for about 1 minute until golden brown. Drizzle with honey and sprinkle with pistachios.
Peel the bananas and cut them in half lengthwise. Sprinkle with lemon juice. Stir the remaining starch with a little water until smooth. Turn banana halves in it and fry them in hot butter for about 1 minute until golden brown. Drizzle with honey and sprinkle with pistachios. Arrange 2 banana halves and a sour cream stain on the orange cream. Decorate as you like with orange julienne