For the polenta slices, boil the me, add salt and vanilla sugar. Add 2 tablespoons of butter and 1 tablespoon of sugar, stir in the polenta, bring to a boil, cover and leave to swell over low heat for about 5 minutes.
Spread polenta on greased baking sheet, let cool and cut into rectangles.
Mix eggs with 1 tbsp sugar, dredge polenta in flour and then in eggs, and fry in remaining butter until golden brown.
Mix remaining sugar with cinnamon, turn polenta slices in it and serve.