Stir pudding powder, 6 tablespoons of milk and sugar until smooth. Boil up the rest of the milk, stir in the pudding powder. Simmer for about 1 minute while stirring. Let cool down
Cut a base into 8 cake pieces. Cut a circle (approx. 16 cm Ø) out of the 2nd cake base. Cut the rest into approx. 3 cm wide strips. Line a round bowl (approx. 20 cm Ø) with foil. Line with the cake pieces. Finish with sponge cake strips on the upper edge. Heat the jelly and spread on the sponge cake
Sort the berries and fold them into the pudding up to about 1/4. Pour into the bowl and smooth it down. Place the sponge cake plate on top and press down. Chill for at least 5 hours.
Finely chop half the pistachios. Whip the cream until stiff. Turn Charlotte onto a plate, remove foil. Spread Charlotte with cream. Decorate with the rest of the raspberries and pistachios