Bring milk with salt, 25 g sugar and vanillin sugar to a boil in a pot. Add rice pudding and bring to the boil while stirring. Leave to swell in a closed pot at low heat for about 25 minutes, stirring occasionally (rice must still be grainy). Let the rice cool down a bit, cover and put it in a cool place
Wash the plums, halve them and remove the stone. Caramelise 25 g sugar in a pot. Add the plums and cinnamon stick. Add butter, deglaze with lemon juice and simmer for about 8 minutes. Starch, stir with approx. 1 tbsp. cold water until smooth and thicken the compote with it. Let the compote simmer for about 1 minute, then let it cool down while stirring occasionally
Caramelise 2 tablespoons of sugar in a pot, add oat flakes and mix well. Put it on a piece of baking paper and pull the caramel apart using 2 spoons. Let it cool down
Whip the cream with the whisk of the hand mixer until stiff and fold into the rice. Pour the rice cream into a bowl, arrange with plum compote and brittle. Decorate with lemon balm
Waiting time approx. 45 minutes