Mix butter, sugar, vanilla sugar, flour and salt together in a bowl to form a dough. When not yet creamy, stir in the dried lingonberries.
Pour the mixture into the lined springform pan with baking paper and smooth.
Bake in a preheated oven (180°C) (approximately 350°F) for 15 - 20 minutes. Remove and let cool in the mold, then release. Cut into 24 small pieces of cake and dust with powdered sugar