Soak the gelatine in 150 ml water. Sieve 250 g icing sugar and cocoa. Mix 1 tablespoon icing sugar and starch
Dissolve gelatine hot and bring to the boil briefly. Whip the powdered sugar mixture and gelatine with the whisk of the hand mixer. Pour the entire mixture into a mould (approx. 20 x 20 cm) which has been coated with oil and sprinkled with icing sugar and starch mixture and smooth immediately.
Put the mixture in a cool place for at least 1 hour. Remove the marshmallow mixture from the mould and cut out approx. 20 circles (each approx. 4 cm Ø). Mix lemon juice, 1 tbsp. water and 100 g icing sugar to a thick icing. Cover the tartlets with icing sugar icing and sprinkle with colourful sugar pearls