Separate the egg. Stir 40 g starch, egg yolk and 6 tablespoons of milk until smooth. Boil up the rest of the milk, vanilla pulp, 50 g sugar, lemon peel, salt and poppy seeds. Stir in the cornflour and bring to the boil again. Pour into a bowl.
Beat egg whites and cream separately until stiff and fold into the mixture. Chill for about 4 hours. Drain the cherries on a sieve, catching the juice. Mix 10 g starch, 10 g sugar and 3 teaspoons of cherry nectar. Boil up the rest of the cherry nectar. Stir in the cornflour. Bring to the boil again, add cherries to the sauce. Pour into a bowl and chill for 1 hour. Use a tablespoon to prick the noodles out of the mousse and arrange on plates with the cherry sauce.
Boil up the rest of the cherry nectar. Stir in the cornflour. Bring to the boil again, add cherries to the sauce. Pour into a bowl and chill for 1 hour. Use a tablespoon to prick the noodles out of the mousse and arrange on plates with the cherry sauce. Decorate with lemon balm